---
title: "Grosmimi Weighted Straw — $172K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/grosmimi-weighted-straw"
last_updated: "2026-08-09T16:43:06.030Z"
locale: en
meta:
description: "Niche score 46/100 · $172K/yr market · 82K searches/yr · $16.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $172K/yr market · 82K searches/yr · $16.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Grosmimi Weighted Straw — $172K/yr Amazon US Niche (2026) - Flapen"
---
# **grosmimi weighted straw**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 35Growth 37Conversion 96Competition 9Returns 79Price range 55Avg price 78Brand share 0Review moat 88Quality gap 52
**Conversion**
**Incredible****13.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****248.5**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$16.01**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.55–$22.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+9.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$172K**
$172K/yr · 82K searches
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, grosmimi weighted straw is a $172K/yr Amazon United States market (82K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **grosmimi weighted straw market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$200K–$240K**
- units × avg price
- **Conversion rate**
- **13.0%**
- **Avg BSR**
- **#355**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **9.4%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- GROSMIMI75% - Ajrwiiy15% - VANEST10%
## **Demand**
Weekly Amazon search volume, last 36 weeks — +9.3% search growth over the last 90 days.
3K2KBlack Friday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/baby-products/grosmimi-weighted-straw/trend)
## **Top grosmimi weighted straw search terms**
- **grosmimi straw replacement**50K/yr+4.0%18.0% conv. - **grosmimi weighted straw**13K/yr+28.0%4.6% conv. - **grosmimi replacement top**6K/yr+36.1%13.5% conv. - **grosmimi straw**7K/yr+11.8%10.5% conv. - **grosmimi weighted straw kit**3K/yr-9.6%6.8% conv. - **grosmimi stage 2 straw**3K/yr+1.4%11.2% conv. [**All search terms **](https://flapen.com/research/us/baby-products/grosmimi-weighted-straw/search-terms)
## **Top grosmimi weighted straw 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.
0%10%$17K20%$34K30%$52K40%$69K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Grosmimi Replacements (Straw kit 2-Counts Stage 2)**GROSMIMI**$15.44**4.8★1,020 rev](https://www.amazon.com/dp/B083JC7W2W) [2**Grosmimi Replacements (Straw only 4-counts Stage 2)**GROSMIMI**$21.93**4.6★528 rev](https://www.amazon.com/dp/B0848R8XBB) [3**4Pcs Replacement Weighted Straws for GROSMIMI Silicone Gravity Ball Straw Replacment for Grosmimi Magic Sippy Cup 10oz 6oz Soft Bottle Straws for Sippy Cup No Spill Weighted Straw Kit**Ajrwiiy**$9.82**4.1★41 rev](https://www.amazon.com/dp/B0DRKLGGD8) [4**VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)**VANEST**$8.55**4.2★77 rev](https://www.amazon.com/dp/B0DNJKZ6X7) [5**Grosmimi Replacements (Straw kit 4-counts Stage2)**GROSMIMI**$22.89**4.7★50 rev](https://www.amazon.com/dp/B0DHVHLKMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**4Pcs Replacement Weighted Straws for GROSMIMI Silicone Gravity Ball Straw Replacment for Grosmimi Magic Sippy Cup 10oz 6oz Soft Bottle Straws for Sippy Cup No Spill Weighted Straw Kit**Ajrwiiy**$9.82**41 rev1y ago](https://www.amazon.com/dp/B0DRKLGGD8) [**VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)**VANEST**$8.55**77 rev1y ago](https://www.amazon.com/dp/B0DNJKZ6X7) [**Grosmimi Replacements (Straw kit 4-counts Stage2)**GROSMIMI**$22.89**50 rev1y ago](https://www.amazon.com/dp/B0DHVHLKMC) [**Grosmimi Replacements (Multipack Stage 2)**GROSMIMI**$21.85**88 rev4y ago](https://www.amazon.com/dp/B09F74M4H6) [**GROSMIMI Weighted Kit (Spout)**GROSMIMI**$12.28**38 rev6y ago](https://www.amazon.com/dp/B084FSKGGZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Grosmimi Replacements (Straw kit 2-Counts Stage1)**GROSMIMI**$15.35**4.6★**▲ 113%**](https://www.amazon.com/dp/B083JBY1BQ) [**GROSMIMI Weighted Kit (Spout)**GROSMIMI**$12.28**3.9★**▲ 52%**](https://www.amazon.com/dp/B084FSKGGZ) [**4Pcs Replacement Weighted Straws for GROSMIMI Silicone Gravity Ball Straw Replacment for Grosmimi Magic Sippy Cup 10oz 6oz Soft Bottle Straws for Sippy Cup No Spill Weighted Straw Kit**Ajrwiiy**$9.82**4.1★**▲ 13%**](https://www.amazon.com/dp/B0DRKLGGD8) [**VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)**VANEST**$8.55**4.2★**— 9%**](https://www.amazon.com/dp/B0DNJKZ6X7) [**Grosmimi Replacements (Straw only 4-counts Stage 2)**GROSMIMI**$21.93**4.6★**— 3%**](https://www.amazon.com/dp/B0848R8XBB)
**~~View all trending →~~**
## **What buyers say about grosmimi weighted straw**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**11%
*“easy to use”*
**Leak-Proof**10%
*“Safe and not leak”*
**Durability**10%
*“so far they are very durable”*
**Size-Overall**9%
*“Perfect fit”*
**Quality-Overall**8%
*“Great quality”*
**Advertised Vs Actual Product**7%
*“worked as expected”*
**Ease Of Cleaning**5%
*“Cleaning is easy with the included brush”*
**Soft Feel**5%
*“Very soft and great for our toddler”*
**Maintenance And Repair**5%
*“Good for my old straw replacement”*
**Value For Money**4%
*“Good Value for Price”*
### **What buyers complain about **
**Compatibility-Overall**22%
*“Not compatible with avent bottle”*
**Leak-Proof**11%
*“Made a leak proof product leak non stop”*
**Value For Money**8%
*“Expensive”*
**Quality-Overall**7%
*“I like that it comes with four spouts and straws, so it's a good value - just disappointing in quality”*
**Hard Feel**5%
*“Too soft and not durable”*
**Ease Of Cleaning**5%
*“Also it is very hard to clean”*
**Durability**4%
*“It didnt last long for us”*
**Size-Overall**3%
*“They are too small for the bottle cap”*
**Design-Overall**2%
*“The design is not very good”*
**Jamming/Clogging**2%
*“Liquid gets stuck as you use it”*
### **Top return reasons **
**Size-Overall**36%
**Advertised Vs Actual Product**11%
**Leak-Proof**10%
**Functionality-Overall**10%
**Compatibility-Overall**8%
**Defective Material/Parts**4%
**Quality-Overall**3%
**Value For Money**3%
**Material Quality**2%
**Ease Of Use**2%
## **Common questions**
- **Is grosmimi weighted straw profitable to sell on Amazon United States?**
- The niche generates $172K/yr across 8 tracked products. 90-day search growth is +9.3%. Flapen's verdict: Skip it (46/100).
- **How competitive is the grosmimi weighted straw niche?**
- 3 brands and 5 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in grosmimi weighted straw?**
- Top complaints mined from reviews: Compatibility-Overall, Leak-Proof, Value For Money. The return rate is 1.8%.
- **What does it cost to enter the grosmimi weighted straw niche?**
- Listings span $8.55–$22.89; the average listing price is $16.01 (sweet spot $15–$100). The average incumbent carries 249 reviews — the moat a new listing must climb.
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