summer pillow covers 18x18
Worth a lookShows a fragmented shelf (top 5 take 23% of clicks), but soft demand (-4.1% this quarter) keeps it on the watch list.
Competition
Great23%top-5 click share — an open shelf
Brand share
Great57%top-5 brand share — no brand owns this niche
Review moat
Good905.66avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.76–$27.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Avg price
Good$12.79avg listing price — sweet spot $15–$100
Returns
Okay3.9%return rate — above 5% kills the launch gate
Market size
Okay$104K$104K/yr · 160K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-4.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, summer pillow covers 18x18 is a $104K/yr Amazon United States market (160K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Worth a look — 50/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
summer pillow covers 18x18 market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $51K–$64K
- units × avg price
- Conversion rate
- 5.1%
- Avg BSR
- #1,358
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 1.0%
- Avg brand age
- 26 months
- Avg seller age
- 197 days
Competition & brand share
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.Brands
34 falling
Sellers
35
Top-5 brand share
57%
Top 20: 92%
Top-5 click share
23%
Top 20: 59%
Open market
39%
- AVOIN colorlife23%
- DFXSZ11%
- GEEORY11%
- MIULEE9%
- ONFAON4%
- DAFENA4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.1% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 29.8×
Top summer pillow covers 18x18 search terms
- summer pillow covers 18x18132K/yr
- 18x18 pillow cover summer7K/yr
- spring decorative pillows8K/yr
- spring pillow covers 18x18 set of 47K/yr
- spring pillow case covers 18x181K/yr
- spring pillow covers 18x18 set of 23K/yr
Top summer pillow covers 18x18 products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DFXSZ Spring Summer Pillow Covers 18x18 inch Set of 2 Farmhouse Decor Yellow Color Flower Heart Sunflower Soft Plush Faux Fur Jacquard Throw Pillows for Sofa Holiday Spring Home Decor PTK024C18
DFXSZ$10.734.6★763 rev
GEEORY Hello Summer Pillow Covers 18x18 Inch Set of 4 Popsicles Flamingo Swim Ring Pool Party Sweet Summer Time Farmhouse Decorative Throw Pillowcases for Home Sofa Couch Decoration G525-18
GEEORY$12.964.8★144 rev
DAFENA Spring Pillow Covers 18x18 Inch 2 Pcs Blue Green Hydrangea Flower Decor Throw Pillows Vintage Floral Seasonal Summer Outdoor Decoration Pillowcase Linen Cushion Cover for Couch Sofa
DAFENA$16.384.4★662 rev
ONFAON Spring Decorations for Home - Spring Pillow Covers 18x18 Outdoor Pillow Covers Springtime Farmhouse Throw Pillow Cover Garden Linen Cushion Case for Home Decor
ONFAON$9.674.6★2,041 rev
AVOIN colorlife Hello Sunshine Floral Sweet Summer Time Throw Pillow Covers 18 x 18 Inch Popsicle Ice Cream Polka Dots Stripes Best Summer Ever Holiday Seasonal Cushion Case Decorations Set of 4
AVOIN colorlife$12.574.6★82 rev
Newest
by launch date
GEEORY Summer Daisy Quote Pillow Covers Set of 4 18x18 Inch Farmhouse Floral Decorative Throw Pillow Cases for Home Decor
GEEORY$11.42259 rev
FUTBU Summer Throw Pillow Covers 18x18 Inch Set of 4 Sweet Summer Time Cushion Case Hello Sunshine Holiday Decoration for Sofa Couch
FUTBU$9.24385 rev
AVOIN colorlife Hello Summer Lemon Floral Green Throw Pillow Covers 18 x 18 Inch Hello Sunshine Eucalyptus Leaves Polka Dot Holiday Seasonal Cushion Case Decorations Set of 4
AVOIN colorlife$8.7118 rev
AVOIN colorlife Hello Summer Blue Shell Sunshine on My Mind Throw Pillow Covers 18x 18 Inch Sweet Summer Time Polka Dots Cushion Case Decoration for Sofa Couch Holiday Seasonal Home Decor Set of 4
AVOIN colorlife$8.3812 rev
SWANCOCO Set of 2 Decorative Floral Pillow Covers 18x18 Inch Light Blue
SWANCOCO$17.11267 rev
Trending
90-day click momentumAVOIN colorlife Hello Summer Blue Shell Sunshine on My Mind Throw Pillow Covers 18x 18 Inch Sweet Summer Time Polka Dots Cushion Case Decoration for Sofa Couch Holiday Seasonal Home Decor Set of 4
AVOIN colorlife$8.384.9★
AVOIN colorlife Hello Summer Lemon Floral Green Throw Pillow Covers 18 x 18 Inch Hello Sunshine Eucalyptus Leaves Polka Dot Holiday Seasonal Cushion Case Decorations Set of 4
AVOIN colorlife$8.714.0★
YeeJu Set of 4 Sunflower Pillow Covers 18x18 Spring Summer Pillow Covers Yellow Floral Throw Pillow Covers Cushion Covers Square Pillow Cases for Couch Sofa Patio Outdoor Home Decorations(18 Inch)
YeeJu$15.464.6★
SWANCOCO Set of 2 Decorative Floral Pillow Covers 18x18 Inch Light Blue
SWANCOCO$17.114.7★
GEEORY Hello Summer Pillow Covers 18x18 Inch Set of 4 Popsicles Flamingo Swim Ring Pool Party Sweet Summer Time Farmhouse Decorative Throw Pillowcases for Home Sofa Couch Decoration G525-18
GEEORY$12.964.8★
What buyers say about summer pillow covers 18x18
What buyers praise and complain about, mined from review topics.What buyers love
“very colorful”
“Very vibrant and great quality”
“Material is very soft”
“Good value for money”
“Perfect match”
“Outdoor cushions”
“Better Than I Expected”
“Heavy duty fabric”
“The designs are charming”
“Good material”
What buyers complain about
“Bad quality”
“to big”
“Poor quality material”
“Not the colors I thought it would be”
“Does not come with a cushion or pillow”
“Not as pictured”
“not soft”
“one is completely broken”
“Not worth the lower price”
“also the stitching is very poor”
Top return reasons
Common questions
- Is summer pillow covers 18x18 profitable to sell on Amazon United States?
- The niche generates $104K/yr across 68 tracked products. 2 of 22 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the summer pillow covers 18x18 niche?
- 34 brands and 35 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in summer pillow covers 18x18?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Material Quality. The return rate is 3.9%.
- When does demand for summer pillow covers 18x18 peak?
- Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 29.8× the quietest.
- What does it cost to enter the summer pillow covers 18x18 niche?
- Listings span $6.76–$27.30; the average listing price is $12.79 (sweet spot $15–$100). The average incumbent carries 906 reviews — the moat a new listing must climb.