grosmimi weighted straw
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Review moat
Great248.5avg incumbent reviews — the moat a new listing must climb
Returns
Great1.8%return rate — above 5% kills the launch gate
Avg price
Great$16.01avg listing price — sweet spot $15–$100
Price range
Good$8.55–$22.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★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
Bad89%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.Top grosmimi weighted straw search terms
- grosmimi straw replacement50K/yr
- grosmimi weighted straw13K/yr
- grosmimi replacement top6K/yr
- grosmimi straw7K/yr
- grosmimi weighted straw kit3K/yr
- grosmimi stage 2 straw3K/yr
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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Grosmimi Replacements (Straw kit 2-Counts Stage 2)
GROSMIMI$15.444.8★1,020 rev
Grosmimi Replacements (Straw only 4-counts Stage 2)
GROSMIMI$21.934.6★528 rev
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$9.824.1★41 rev
VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)
VANEST$8.554.2★77 rev
Grosmimi Replacements (Straw kit 4-counts Stage2)
GROSMIMI$22.894.7★50 rev
Newest
by launch date4Pcs 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$9.8241 rev
VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)
VANEST$8.5577 rev
Grosmimi Replacements (Straw kit 4-counts Stage2)
GROSMIMI$22.8950 rev
Grosmimi Replacements (Multipack Stage 2)
GROSMIMI$21.8588 rev
GROSMIMI Weighted Kit (Spout)
GROSMIMI$12.2838 rev
Trending
90-day click momentum
Grosmimi Replacements (Straw kit 2-Counts Stage1)
GROSMIMI$15.354.6★
GROSMIMI Weighted Kit (Spout)
GROSMIMI$12.283.9★
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$9.824.1★
VANEST Replacement Straws & 2 Pack Straw Brushes Compatible with Grosmimi Stage2 Soft Silicone No Spill (4 Packs)
VANEST$8.554.2★
Grosmimi Replacements (Straw only 4-counts Stage 2)
GROSMIMI$21.934.6★
What buyers say about grosmimi weighted straw
What buyers praise and complain about, mined from review topics.What buyers love
“easy to use”
“Safe and not leak”
“so far they are very durable”
“Perfect fit”
“Great quality”
“worked as expected”
“Cleaning is easy with the included brush”
“Very soft and great for our toddler”
“Good for my old straw replacement”
“Good Value for Price”
What buyers complain about
“Not compatible with avent bottle”
“Made a leak proof product leak non stop”
“Expensive”
“I like that it comes with four spouts and straws, so it's a good value - just disappointing in quality”
“Too soft and not durable”
“Also it is very hard to clean”
“It didnt last long for us”
“They are too small for the bottle cap”
“The design is not very good”
“Liquid gets stuck as you use it”
Top return reasons
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.