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.

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.

Brand share

Great45%

top-5 brand share — no brand owns this niche

Competition

Great27%

top-5 click share — an open shelf

Avg price

Great$20.25

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

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

Good2.6%

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

Okay3,275.87

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.7%

search→purchase rate — share of searches ending in a sale

Signals No Dominant Brand

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top stainless steel sippy cup search terms

stainless steel sippy cup262K/yr +2.6%1.5% conv.
stainless steel sippy cups for toddlers52K/yr -9.0%1.7% conv.
stainless steel baby cup31K/yr +11.2%1.3% conv.
non toxic sippy cup23K/yr +2.7%1.5% conv.
stainless steel sippy cups19K/yr +12.9%1.7% conv.
baby stainless steel cup14K/yr +23.2%0.9% conv.
metal sippy cup17K/yr +14.7%1.6% conv.
stainless sippy cup16K/yr +26.2%1.0% conv.
stainless steel sippy cups for baby18K/yr -20.7%1.5% conv.
plastic free sippy cup11K/yr +37.5%0.8% conv.

All 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.

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

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$13.174.2★319 rev

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$24.794.2★1,071 rev

Munchkin Cool Cat Sippy Cup with Straw for Toddlers Stainless Steel Straw Cup 8 Ounce Blue

Munchkin$15.524.4★8,174 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

Munchkin Stainless Steel Sippy Cups for Toddlers 1-3 Spill Proof Miracle 360 Cup Insulated 10 Ounce Blue

Munchkin$15.514.7★12,865 rev

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$24.8173 rev

8mo ago

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$9.68178 rev

10mo ago

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$18.07148 rev

10mo ago

GROSMIMI Insulated 316 Stainless Steel Spill Proof Straw Cup Water bottle with Flip Top for Toddlers BPA Free (bear 6oz)

GROSMIMI$37.86115 rev

11mo ago

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$10.6243 rev

1y ago

What buyers say about stainless steel sippy cup

What buyers praise and complain about, mined from review topics.

What buyers love

Leak-Proof18%

“Definitely leakproof”

Quality-Overall13%

“The build quality is excellent”

Ease Of Cleaning10%

“Cleaning is straightforward”

Size-Overall7%

“Great size”

Durability6%

“The materials feel incredibly durable”

Ease Of Use5%

“Easy to use”

Color4%

“The colors are vibrant”

Temperature Retention4%

“Keeps water cold”

Value For Money3%

“Worth it”

Strength3%

“Its sturdy construction feels premium in hand”

What buyers complain about

Leak-Proof35%

“Not Leakproof”

Durability8%

“Definitely not durable”

Size-Overall5%

“Too Small”

Ease Of Use4%

“hard to drink from”

Ease Of Cleaning4%

“Cleaning is hard”

Quality-Overall3%

“Bad quality”

Value For Money3%

“These arent cheap”

Design-Overall2%

“Design rubbed off”

Temperature Retention1%

“Doesnt keep temps as long as HYDY bottles”

Smell1%

“Rubber Parts Starts to Smell”

Top return reasons

Leak-Proof25%

Size-Overall23%

Advertised Vs Actual Product5%

Color5%

Functionality-Overall5%

Ease Of Use4%

Material Quality4%

Value For Money4%

Product Condition3%

Weight Heavy3%

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.