---
title: "grosmimi weighted straw — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/grosmimi-weighted-straw"
last_updated: "2026-07-13T20:18:58.757Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — grosmimi weighted straw doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — grosmimi weighted straw doesn't clear our bar today."
  "og:title": "grosmimi weighted straw — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**0%**

- GROSMIMI75% - Ajrwiiy15% - VANEST10%

## **Product shelf**

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)](https://m.media-amazon.com/images/I/41oees8xsVL.jpg)**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)](https://m.media-amazon.com/images/I/31sF889GV-L.jpg)**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](https://m.media-amazon.com/images/I/31wrlzYzAeL.jpg)**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)](https://m.media-amazon.com/images/I/41ReIGhqMmL.jpg)**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)](https://m.media-amazon.com/images/I/418XhmhtWoL.jpg)**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](https://m.media-amazon.com/images/I/31wrlzYzAeL.jpg)**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)](https://m.media-amazon.com/images/I/41ReIGhqMmL.jpg)**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)](https://m.media-amazon.com/images/I/418XhmhtWoL.jpg)**Grosmimi Replacements (Straw kit 4-counts Stage2)**GROSMIMI**$22.89**50 rev1y ago](https://www.amazon.com/dp/B0DHVHLKMC) [![Grosmimi Replacements (Multipack Stage 2)](https://m.media-amazon.com/images/I/41kOEiYLNFL.jpg)**Grosmimi Replacements (Multipack Stage 2)**GROSMIMI**$21.85**88 rev4y ago](https://www.amazon.com/dp/B09F74M4H6) [![GROSMIMI Weighted Kit (Spout)](https://m.media-amazon.com/images/I/21lPORcZ-bL.jpg)**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)](https://m.media-amazon.com/images/I/41-LUEfMRqL.jpg)**Grosmimi Replacements (Straw kit 2-Counts Stage1)**GROSMIMI**$15.35**4.6★**▲ 113%**](https://www.amazon.com/dp/B083JBY1BQ) [![GROSMIMI Weighted Kit (Spout)](https://m.media-amazon.com/images/I/21lPORcZ-bL.jpg)**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](https://m.media-amazon.com/images/I/31wrlzYzAeL.jpg)**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)](https://m.media-amazon.com/images/I/41ReIGhqMmL.jpg)**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)](https://m.media-amazon.com/images/I/31sF889GV-L.jpg)**Grosmimi Replacements (Straw only 4-counts Stage 2)**GROSMIMI**$21.93**4.6★**— 3%**](https://www.amazon.com/dp/B0848R8XBB)

**~~View all trending →~~**

## **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

## **Reviews**

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%