---
title: "Stainless Steel Sippy Cup — $185K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/stainless-steel-sippy-cup"
last_updated: "2026-08-06T09:29:20.908Z"
locale: en
meta:
description: "Niche score 58/100 · $185K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $185K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Stainless Steel Sippy Cup — $185K/yr Amazon US Niche (2026) - Flapen"
---
# **stainless steel sippy cup**
**Worth a look**
Shows no brand lock-in (top 5 brands take 45% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 37Growth 33Conversion 21Competition 88Returns 60Price range 74Avg price 88Brand share 90Review moat 32Quality gap 75
**Brand share**
**Great****45%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****27%**
top-5 click share — an open shelf
**Avg price**
**Great****$20.25**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$7.12–$37.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$185K**
$185K/yr · 546K searches
**Growth**
**Okay****+6.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****3,275.87**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.7%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, stainless steel sippy cup is a $185K/yr Amazon United States market (546K searches/yr). The top 5 brands hold 45% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **stainless steel sippy cup market data**
- **Units sold / yr**
- **10K–13K**
- avg 100–250/product
- **Revenue / yr**
- **$203K–$253K**
- units × avg price
- **Conversion rate**
- **1.7%**
- **Avg BSR**
- **#200**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **5.8%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.
**Brands**
**38 **▲rising
**Sellers**
**66**
**Top-5 brand share**
**45%**
Top 20: 89%
**Top-5 click share**
**27%**
Top 20: 66%
**Open market**
**50%**
- Munchkin18% - Owala8% - Béaba7% - Jumble Dream7% - Zak Designs6% - BUSOHA5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.3% search growth over the last 90 days.
15K10KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/baby-products/stainless-steel-sippy-cup/trend)
## **Top stainless steel sippy cup search terms**
- **stainless steel sippy cup**262K/yr+2.6%1.5% conv. - **stainless steel sippy cups for toddlers**52K/yr-9.0%1.7% conv. - **stainless steel baby cup**31K/yr+11.2%1.3% conv. - **non toxic sippy cup**23K/yr+2.7%1.5% conv. - **stainless steel sippy cups**19K/yr+12.9%1.7% conv. - **baby stainless steel cup**14K/yr+23.2%0.9% conv. - **metal sippy cup**17K/yr+14.7%1.6% conv. - **stainless sippy cup**16K/yr+26.2%1.0% conv. - **stainless steel sippy cups for baby**18K/yr-20.7%1.5% conv. - **plastic free sippy cup**11K/yr+37.5%0.8% conv. [**All search terms **](https://flapen.com/research/us/baby-products/stainless-steel-sippy-cup/search-terms)
## **Top stainless steel sippy cup 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%2%$4K4%$7K6%$11K8%$15K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Jumble Dream Baby & Toddler Stainless Steel Sippy Cup Silicon Training Stainless Steel Kids Cups with Straw Babies Tumbler with Straw No Spill | Sippy Cups for Toddlers 1-3 Years Old (Sage Breeze)**Jumble Dream**$13.17**4.2★319 rev](https://www.amazon.com/dp/B0F9Z4Z8ST) [2**Beaba Stainless Steel Straw Sippy Cup Insulated Toddler Cups Spill Proof with Removable Handles Made with High Grade Stainless Steel 8+ Months 8 oz (250mL) (Sage)**Béaba**$24.79**4.2★1,071 rev](https://www.amazon.com/dp/B0B27NF4KQ) [3**Munchkin Cool Cat Sippy Cup with Straw for Toddlers Stainless Steel Straw Cup 8 Ounce Blue**Munchkin**$15.52**4.4★8,174 rev](https://www.amazon.com/dp/B07KJZXKN9) [4**Owala Kids Insulation Stainless Steel Tumbler with Spill Resistant Flexible Straw Easy to Clean Kids Water Bottle Great for Travel Dishwasher Safe 12 Oz Pink and Purple (Lilac Rocket)**Owala**$18.98**4.4★7,845 rev](https://www.amazon.com/dp/B0C76CC69J) [5**Munchkin Stainless Steel Sippy Cups for Toddlers 1-3 Spill Proof Miracle 360 Cup Insulated 10 Ounce Blue**Munchkin**$15.51**4.7★12,865 rev](https://www.amazon.com/dp/B01N7LH5RW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Re-Play 10 oz Insulated Stainless Steel Sippy Cup (2 Pack) - No-Spill Hard Spout Toddler Cup Keeps Drinks Cold Dishwasher Safe & Durable - Made in USA Pink/Sky**Re-Play**$24.81**73 rev8mo ago](https://www.amazon.com/dp/B0G1CSS37V) [**BUSOHA Stainless Steel Toddler Sippy Cup 8oz Spill-Proof Straw Cup for 6+ Month Babies & Toddlers 3-in-1 Reusable Travel Cup with Brush Dishwasher Safe Kids Drinking Cup Blue**BUSOHA**$9.68**178 rev10mo ago](https://www.amazon.com/dp/B0FKBDZN1G) [**Bakpoco Stainless Steel Straw Sippy Cup for Toddlers 1-3 Years Old Insulated Toddler Water Bottle Baby Training Tumbler with Handles 8oz Kids Straw Cups for Travel Daycare & At Home Blue**Bakpoco**$18.07**148 rev10mo ago](https://www.amazon.com/dp/B0FJSKZV2D) [**GROSMIMI Insulated 316 Stainless Steel Spill Proof Straw Cup Water bottle with Flip Top for Toddlers BPA Free (bear 6oz)**GROSMIMI**$37.86**115 rev11mo ago](https://www.amazon.com/dp/B0FKG6RCDC) [**SELECTSHEN Stainless Steel Sippy Cup for Toddlers 1-3 Baby Sippy Cup with Straw & Spout Spill-Proof Leak-Resistant Kids Cup with Handles Silicone Sleeve BPA-Free Dishwasher Safe (Training Cup)**SELECTSHEN**$10.62**43 rev1y ago](https://www.amazon.com/dp/B0FHF112BQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Munchkin Stainless Steel Sippy Cups for Toddlers 1-3 Spill Proof Miracle 360 Cup Insulated 10 Ounce Purple**Munchkin**$17.86**4.7★**▲ 156%**](https://www.amazon.com/dp/B07YFG478S) [**Munchkin Stainless Steel Sippy Cups for Toddlers 1-3 Spill Proof Miracle 360 Cup Insulated 10 Ounce Pink**Munchkin**$16.15**4.7★**▲ 154%**](https://www.amazon.com/dp/B01N0U4G45) [**THERMOS Kids Stainless Steel Sippy Cup with Handles 7 Ounces Pastel Rose**THERMOS**$19.29**4.3★**▲ 123%**](https://www.amazon.com/dp/B0BK9Y9Y6L) [**BUSOHA Stainless Steel Toddler Sippy Cup 8oz Spill-Proof Straw Cup for 6+ Month Babies & Toddlers 3-in-1 Reusable Travel Cup with Brush Dishwasher Safe Kids Drinking Cup Blue**BUSOHA**$9.68**4.0★**▲ 96%**](https://www.amazon.com/dp/B0FKBDZN1G) [**Zak Designs Kelso Tumbler Toddler Cup For Travel or At Home 12oz Vacuum Insulated Stainless Steel Sippy Cup With Leak-Proof Design is Perfect For Kids (Happy Fruit)**Zak Designs**$10.38**4.6★**▲ 93%**](https://www.amazon.com/dp/B0BTM472TH)
**~~View all trending →~~**
## **What buyers say about stainless steel sippy cup**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Leak-Proof**18%
*“Definitely leakproof”*
**Quality-Overall**13%
*“The build quality is excellent”*
**Ease Of Cleaning**10%
*“Cleaning is straightforward”*
**Size-Overall**7%
*“Great size”*
**Durability**6%
*“The materials feel incredibly durable”*
**Ease Of Use**5%
*“Easy to use”*
**Color**4%
*“The colors are vibrant”*
**Temperature Retention**4%
*“Keeps water cold”*
**Value For Money**3%
*“Worth it”*
**Strength**3%
*“Its sturdy construction feels premium in hand”*
### **What buyers complain about **
**Leak-Proof**35%
*“Not Leakproof”*
**Durability**8%
*“Definitely not durable”*
**Size-Overall**5%
*“Too Small”*
**Ease Of Use**4%
*“hard to drink from”*
**Ease Of Cleaning**4%
*“Cleaning is hard”*
**Quality-Overall**3%
*“Bad quality”*
**Value For Money**3%
*“These arent cheap”*
**Design-Overall**2%
*“Design rubbed off”*
**Temperature Retention**1%
*“Doesnt keep temps as long as HYDY bottles”*
**Smell**1%
*“Rubber Parts Starts to Smell”*
### **Top return reasons **
**Leak-Proof**25%
**Size-Overall**23%
**Advertised Vs Actual Product**5%
**Color**5%
**Functionality-Overall**5%
**Ease Of Use**4%
**Material Quality**4%
**Value For Money**4%
**Product Condition**3%
**Weight Heavy**3%
## **Common questions**
- **Is stainless steel sippy cup profitable to sell on Amazon United States?**
- The niche generates $185K/yr across 75 tracked products. 9 of 17 products launched in the last 360 days are still selling. 90-day search growth is +6.3%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the stainless steel sippy cup niche?**
- 38 brands and 66 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 45% of demand.
- **What do buyers complain about in stainless steel sippy cup?**
- Top complaints mined from reviews: Leak-Proof, Durability, Size-Overall. The return rate is 2.6%.
- **When does demand for stainless steel sippy cup peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the stainless steel sippy cup niche?**
- Listings span $7.12–$37.86; the average listing price is $20.25 (sweet spot $15–$100). The average incumbent carries 3,276 reviews — the moat a new listing must climb.
## **Related niches in Baby Products**
- 65 [**baby car seat fan**](https://flapen.com/research/us/baby-products/baby-car-seat-fan)$31K/yr+151.9%**Worth a look**- 65 [**tummy time toys**](https://flapen.com/research/us/baby-products/tummy-time-toys)$11.8M/yr-9.5%**Worth a look**- 65 [**sunscreen brush**](https://flapen.com/research/us/baby-products/sunscreen-brush)$615K/yr+314.7%**Worth a look**- 65 [**toddler step stool**](https://flapen.com/research/us/baby-products/toddler-step-stool)$4.1M/yr-7.9%**Worth a look**- 65 [**training diapers 2t-3t**](https://flapen.com/research/us/baby-products/training-diapers-2t-3t)$6.1M/yr+8.7%**Launch it**- 65 [**water baby carrier**](https://flapen.com/research/us/baby-products/water-baby-carrier)$431K/yr+176.5%**Worth a look**[**All Baby Products niches **](https://flapen.com/research/us/baby-products)