--- title: "muslin sleep sack — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/muslin-sleep-sack" last_updated: "2026-07-09T23:09:17.993Z" locale: en meta: description: "a small market ($24K/yr) — muslin sleep sack doesn't clear our bar today." "og:description": "a small market ($24K/yr) — muslin sleep sack doesn't clear our bar today." "og:title": "muslin sleep sack — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen" --- Back to Flapen home # **muslin sleep sack** **Skip it****47/100 ** a small market ($24K/yr) — muslin sleep sack doesn't clear our bar today. **Market/yr** **$24K** **Growth (1y)** **+155.7%** **Products** **59** **Brands** **16** was 20 a year ago **Sellers** **21** **Price range** **$9.66–$53.82** **Returns** **4.2%** **Rating** **4.7★** **Skip it** Scored 47/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **1** ×0.30 Growth **72** ×0.30 Competition **82** ×0.20 Quality gap **24** ×0.10 Returns **67** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +155.7% year over year. 2K1KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.4× ## **Competition** - Konssy28% - BSTOPPT24% - PHF9% - Amazing Baby9% - KeaBabies7% - TADO MUSLIN7% - Other (10 brands)17% Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen. 16 brands and 21 sellers compete here. **Brands** **16 **▼falling was 20 a year ago **Sellers** **21** **Top 5 brand share** **77%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)](https://m.media-amazon.com/images/I/511fF8BHqRL.jpg) [**Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)**](https://www.amazon.com/dp/B0FBWKHZ2W) Konssy$21.544.8★25810%▼falling 2 ![BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Beige & Khaki Large)](https://m.media-amazon.com/images/I/41kW3ESe7aL.jpg) [**BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Beige & Khaki Large)**](https://www.amazon.com/dp/B0GGSXGV2B) BSTOPPT$24.924.8★1,4179%▲rising 3 ![Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Star Blue)](https://m.media-amazon.com/images/I/41hUBM4narL.jpg) [**Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Star Blue)**](https://www.amazon.com/dp/B0FBWPRZJB) Konssy$23.544.8★2586%▲rising 4 ![Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)](https://m.media-amazon.com/images/I/511fF8BHqRL.jpg) [**Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)**](https://www.amazon.com/dp/B0FB9C9ZLC) Konssy$21.794.8★2584%▼falling 5 ![BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Gray & Pink Butterfly Medium)](https://m.media-amazon.com/images/I/51k37jpipKL.jpg) [**BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Gray & Pink Butterfly Medium)**](https://www.amazon.com/dp/B0GGSMNW25) BSTOPPT$24.874.8★1,4173%▲rising 6 ![Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Stars Sterling Large (12-18 Month)](https://m.media-amazon.com/images/I/41ezKfsuUnL.jpg) [**Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Stars Sterling Large (12-18 Month)**](https://www.amazon.com/dp/B074J95KTS) Amazing Baby$15.284.6★3,4323%▲rising 7 ![2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)](https://m.media-amazon.com/images/I/41GrdyQaBUL.jpg) [**2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)**](https://www.amazon.com/dp/B0C5HQ26P2) KeaBabies$25.394.6★1,0073%▲rising 8 ![PHF Soft Muslin Cotton Baby Sleep Sack 6-12 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Girls Newborn Pink Floral](https://m.media-amazon.com/images/I/51ml9KqtdBL.jpg) [**PHF Soft Muslin Cotton Baby Sleep Sack 6-12 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Girls Newborn Pink Floral**](https://www.amazon.com/dp/B0DNFDLY2W) PHF$19.764.4★1793%▼falling 9 ![TADO MUSLIN Toddler Sleep Sack 2-4T 0.5 TOG Lightweight Wearable Blanket for Baby 100% Organic Cotton Muslin 4 Layers Sleeveless Sleeping Bag 2-Way YKK Zipper OEKO-TEX Certified Blue Star Moon](https://m.media-amazon.com/images/I/41+nOGdHQhL.jpg) [**TADO MUSLIN Toddler Sleep Sack 2-4T 0.5 TOG Lightweight Wearable Blanket for Baby 100% Organic Cotton Muslin 4 Layers Sleeveless Sleeping Bag 2-Way YKK Zipper OEKO-TEX Certified Blue Star Moon**](https://www.amazon.com/dp/B0BG4XY3GL) TADO MUSLIN$26.794.7★3223%—flat 10 ![Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Woodland Sage)](https://m.media-amazon.com/images/I/51G+Q6eXKkL.jpg) [**Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Woodland Sage)**](https://www.amazon.com/dp/B0FB9D4NF5) Konssy$23.494.8★2582%▼falling 11 ![Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Trees Sterling Medium (6-12 Month)](https://m.media-amazon.com/images/I/41Qrnjdf1uL.jpg) [**Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Trees Sterling Medium (6-12 Month)**](https://www.amazon.com/dp/B074J9KQFB) Amazing Baby$17.634.6★3,4322%▲rising 12 ![2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 6-12 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear M)](https://m.media-amazon.com/images/I/41LXGR9ApGL.jpg) [**2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 6-12 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear M)**](https://www.amazon.com/dp/B0CQT7WSR5) KeaBabies$25.444.7★2782%—flat 13 ![BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Green & Leafy Cherry Medium)](https://m.media-amazon.com/images/I/51-0IckWe8L.jpg) [**BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Green & Leafy Cherry Medium)**](https://www.amazon.com/dp/B0GGSRF6CW) BSTOPPT$25.294.8★1,4172%▲rising 14 ![BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (White & Light Gray Large)](https://m.media-amazon.com/images/I/418sqVdKKfL.jpg) [**BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (White & Light Gray Large)**](https://www.amazon.com/dp/B0GGSRKR1D) BSTOPPT$24.754.8★1,4172%▲rising 15 ![PHF Soft Muslin Cotton Baby Sleep Sack 18-24 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Boys Girls Newborn Woodland](https://m.media-amazon.com/images/I/41a7qdu1AkL.jpg) [**PHF Soft Muslin Cotton Baby Sleep Sack 18-24 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Boys Girls Newborn Woodland**](https://www.amazon.com/dp/B0DNFD5J83) PHF$23.654.4★1792%—flat **~~Showing 15 of 59 — show all ~~** ## **Product shelf** All 59 tracked products in this niche. Top sellersNewestTrending [![Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)](https://m.media-amazon.com/images/I/511fF8BHqRL.jpg)**Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)** Konssy**$21.54**4.8★258 reviews](https://www.amazon.com/dp/B0FBWKHZ2W) [![BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Beige & Khaki Large)](https://m.media-amazon.com/images/I/41kW3ESe7aL.jpg)**BSTOPPT 2 Pack Baby Sleep Sack 12-18 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Beige & Khaki Large)** BSTOPPT**$24.92**4.8★1,417 reviews](https://www.amazon.com/dp/B0GGSXGV2B) [![Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Star Blue)](https://m.media-amazon.com/images/I/41hUBM4narL.jpg)**Konssy Muslin Baby Sleep Sack 6-12 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Star Blue)** Konssy**$23.54**4.8★258 reviews](https://www.amazon.com/dp/B0FBWPRZJB) [![Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)](https://m.media-amazon.com/images/I/511fF8BHqRL.jpg)**Konssy Muslin Baby Sleep Sack 0-6 Months 0.8 TOG 2 Pack 100% Cotton Wearable Blanket for Babies 2-Way Zipper Breathable Sleeping Sack Infant Toddler Essentials for Girls and Boys (Blossom Pink)** Konssy**$21.79**4.8★258 reviews](https://www.amazon.com/dp/B0FB9C9ZLC) [![BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Gray & Pink Butterfly Medium)](https://m.media-amazon.com/images/I/51k37jpipKL.jpg)**BSTOPPT 2 Pack Baby Sleep Sack 6-12 Months 100% Organic Cotton Muslin Baby Sleeping Bag 2-Way Zipper Wearable Blankets TOG 0.3 (Gray & Pink Butterfly Medium)** BSTOPPT**$24.87**4.8★1,417 reviews](https://www.amazon.com/dp/B0GGSMNW25) [![Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Stars Sterling Large (12-18 Month)](https://m.media-amazon.com/images/I/41ezKfsuUnL.jpg)**Amazing Baby Cotton Muslin Sleeping Sack For Baby Boy or Girl Wearable Blanket with 2-way Zipper Stars Sterling Large (12-18 Month)** Amazing Baby**$15.28**4.6★3,432 reviews](https://www.amazon.com/dp/B074J95KTS) [![2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)](https://m.media-amazon.com/images/I/41GrdyQaBUL.jpg)**2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)** KeaBabies**$25.39**4.6★1,007 reviews](https://www.amazon.com/dp/B0C5HQ26P2) [![PHF Soft Muslin Cotton Baby Sleep Sack 6-12 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Girls Newborn Pink Floral](https://m.media-amazon.com/images/I/51ml9KqtdBL.jpg)**PHF Soft Muslin Cotton Baby Sleep Sack 6-12 Months 2 Pack 100% Cotton Sleeping Sack for Summer 0.5 TOG Baby Wearable Blankets with 2-Way Zipper Sleep Sacks for Girls Newborn Pink Floral** PHF**$19.76**4.4★179 reviews](https://www.amazon.com/dp/B0DNFDLY2W) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Soft Feel**19% *“Soft and breathable”* **Sleep Quality**15% *“It really helps our baby sleep well”* **Quality-Overall**10% *“The sleep sack was great quality”* **Comfort-Overall**6% *“Amazingly soft and comfortable”* **Weight Light**4% *“Lightweight”* **Size-Overall**4% *“Sizing is accurate”* **Value For Money**3% *“also the price is very fair”* **Zipper Quality**3% *“Zippers work with ease”* **Breathability**3% *“breathable”* **Ease Of Use**3% *“easy to use”* ### **What buyers complain about ** **Size-Overall**13% *“Poor fit”* **Zipper Quality**8% *“zipper broke after a couple months”* **Velcro Quality**5% *“the Velcro does not stay at all”* **Durability**5% *“broken after 2 months”* **Quality-Overall**4% *“It makes absolutely no sense how this even got past quality control is beyond me”* **Thickness**4% *“Too thick”* **Advertised Vs Actual Product**4% *“Deceitful listing”* **Material Quality**4% *“The material feels pretty cheap”* **Sleep Quality**3% *“so we're disappointed with their sleep sacks”* **Fabric Quality**3% *“Not 100% cotton”* #### **Top return reasons**- Size-Overall52% - Material Quality6% - Thin4% - Thickness3% - Age Suitability3% - Zipper Quality3% - Advertised Vs Actual Product3% - Velcro Quality2% - Width2% - Warmth2%