stainless steel cups for kids
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Great$1.4M$1.4M/yr · 2.9M searches
Avg price
Great$17.12avg listing price — sweet spot $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Price range
Good$9.60–$25.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-15.2%90-day search growth — must beat 0% to launch
Review moat
Bad23,452.85avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, stainless steel cups for kids is a $1.4M/yr Amazon United States market (2.9M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Apr–May–Jun. Verdict: Skip it — 48/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
stainless steel cups for kids market data
- Units sold / yr
- 60K–80K
- avg 1,000–1,250/product
- Revenue / yr
- $1.0M–$1.4M
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #58
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 1.4%
- Avg brand age
- 36 months
- Avg seller age
- 134 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
4 falling
Sellers
35
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
43%
Top 20: 80%
Open market
0%
- Zak Designs78%
- Owala21%
- Knuckleheads Little Threads1%
- Simple Modern1%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.2% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 4.3×
Top stainless steel cups for kids search terms
- zak toddler cup with straw938K/yr
- zak cups310K/yr
- zak180K/yr
- stainless steel toddler cups129K/yr
- zak cups for toddlers194K/yr
- zak stainless steel cups for kids148K/yr
- zak straw cup127K/yr
- owala kids cup125K/yr
- zak cup84K/yr
- owala sippy cup109K/yr
Top stainless steel cups for kids 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
Zak Designs Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Sweet Berry Lemon Zest)
Zak Designs$16.494.6★31,471 rev
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$10.384.6★3,749 rev
Zak Designs Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (DinoRoar Zaksaurus)
Zak Designs$17.954.6★31,471 rev
Zak Designs Capri Toddler Tumblers For Travel or At Home 9oz 2-Pack Double Wall Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Dino Buddies Bubble Bay)
Zak Designs$15.294.5★395 rev
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$18.984.4★7,845 rev
Newest
by launch dateZak Designs Capri Toddler Tumblers For Travel or At Home 9oz 2-Pack Double Wall Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Dino Buddies Bubble Bay)
Zak Designs$15.29395 rev
Zak Designs Capri Toddler Tumbler For Travel or At Home 10oz 2-Pack Durable Plastic Sippy Cups With Handle and Leak-Proof Design are Perfect For Kids (Wheels Blue)
Zak Designs$15.93395 rev
Zak Designs Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Sweet Berry Lemon Zest)
Zak Designs$16.4931,471 rev
Zak Designs Disney Minnie Mouse Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Minnie Mouse)
Zak Designs$17.6631,471 rev
Zak Designs Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Silly Goose Harvest)
Zak Designs$17.7631,471 rev
Trending
90-day click momentumZak Designs Disney Minnie Mouse Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Minnie Mouse)
Zak Designs$17.664.6★
Zak Designs Capri Toddler Tumbler For Travel or At Home 10oz 2-Pack Durable Plastic Sippy Cups With Handle and Leak-Proof Design are Perfect For Kids (Wheels Blue)
Zak Designs$15.934.5★
Zak Designs Capri Toddler Tumblers For Travel or At Home 9oz 2-Pack Double Wall Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Dino Buddies Bubble Bay)
Zak Designs$15.294.5★
Zak Designs Kelso Tumbler 15 oz Set (Paw Patrol - Chase & Marshall 2pc Set) Toddlers Cups Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone Perfect Cup for Kids
Zak Designs$16.704.6★
Zak Designs Kelso Toddler Cups For Travel or At Home 15oz 2-Pack Durable Plastic Sippy Cups With Leak-Proof Design is Perfect For Kids (Sweet Berry Lemon Zest)
Zak Designs$16.494.6★
What buyers say about stainless steel cups for kids
What buyers praise and complain about, mined from review topics.What buyers love
“Doesn't spill”
“Easy to wash”
“Great quality cups”
“Love the size”
“Vibrant colors”
“have held up well so far”
“The design is cute”
“Easy to use”
“keeps my water cold”
“Sturdy cup”
What buyers complain about
“They leak”
“broke quickly”
“Difficult to clean”
“Inconsistency in product quality”
“Design rubs off easily”
“Not good size”
“its not easy”
“I think its a tad bit expensive for what you get”
“Used”
“Water drips out pretty quickly”
Top return reasons
Common questions
- Is stainless steel cups for kids profitable to sell on Amazon United States?
- The niche generates $1.4M/yr across 41 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (48/100).
- How competitive is the stainless steel cups for kids niche?
- 4 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in stainless steel cups for kids?
- Top complaints mined from reviews: Leak-Proof, Durability, Ease Of Cleaning. The return rate is 1.9%.
- When does demand for stainless steel cups for kids peak?
- Demand peaks in Jan–Feb–Mar–Apr–May–Jun; the busiest month runs 4.3× the quietest.
- What does it cost to enter the stainless steel cups for kids niche?
- Listings span $9.60–$25.03; the average listing price is $17.12 (sweet spot $15–$100). The average incumbent carries 23,453 reviews — the moat a new listing must climb.