500ml water bottle
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$21.54avg listing price — sweet spot $15–$100
Price range
Great$7.95–$58.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great38%top-5 click share — an open shelf
Returns
Good2.9%return rate — above 5% kills the launch gate
Growth
Okay+15.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,797.32avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Market size
Bad$71K$71K/yr · 119K searches
Brand share
Bad95%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 500ml water bottle is a $71K/yr Amazon United States market (119K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Aug. Verdict: Skip it — 46/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
500ml water bottle market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $54K–$65K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #638
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 60%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 150 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
13 falling
Sellers
135
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
38%
Top 20: 82%
Open market
4%
- Kinto56%
- Nalgene34%
- WATERSY2%
- CamelBak2%
- PARACITY1%
- Mont-Clair1%
- Open — no brand owns it (7 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +15.8% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.5×
Top 500ml water bottle search terms
- kinto water bottle47K/yr
- 500 ml water bottle15K/yr
- 500ml water bottle15K/yr
- nalgene kids water bottles9K/yr
- kids nalgene6K/yr
- nalgene kids7K/yr
- water bottle 500ml5K/yr
- kids nalgene water bottles6K/yr
- kinto bottle4K/yr
- nalgene water bottles kids3K/yr
Top 500ml water bottle 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
Nalgene Kids Grip-N-Gulp Water Bottles Leak Proof Sippy Cup Durable BPA and BPS Free Dishwasher Safe Reusable 12 Ounces Green
Nalgene$14.194.4★319 rev
KINTO 21095 Day-off Tumbler 16.9 fl oz (500 ml) Khaki Double Wall Vacuum Construction Hot and Cold Insulation Water Bottle
Kinto$40.924.6★1,038 rev
KINTO 20397 Water Bottle 33.4 fl oz (950 ml) Clear Lightweight Dishwasher Safe My Bottle
Kinto$28.434.5★600 rev
KINTO 20405 Water Bottle 16.9 fl oz (500 ml) Green Lightweight Dishwasher Safe My Bottle
Kinto$26.274.5★600 rev
KINTO 21091 Day-off Tumbler 16.9 fl oz (500 ml) White Double Wall Vacuum Construction Hot and Cold Insulation Water Bottle
Kinto$36.984.6★1,038 rev
Newest
by launch date
Mont-Clair Stainless Steel Water Bottle Vacuum insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 500ml Leakproof Ideal for Adult Kids Running - Black
Mont-Clair$7.953,634 rev
KINTO 20214 Trail Tumbler 16.9 fl oz (580 ml) Black Double Wall Vacuum Construction Thermal and Cold Retention
Kinto$52.2785 rev
WATERSY Stainless Steel water bottles 17oz/500ml Insulated Water Bottles Deep Blue metal water bottle Keeps Drink Cold and Hot BPA Free kids water bottles for School Gym Travel Sports
WATERSY$8.131,463 rev
KINTO 20405 Water Bottle 16.9 fl oz (500 ml) Green Lightweight Dishwasher Safe My Bottle
Kinto$26.27600 rev
PARACITY Insulated Water Bottle 15 oz Stainless Steel Water Bottles Double Wall Vacuum for Hot Drinks Metal Water Bottle Keeps Hot for 12 Hrs Cold for 24 Hrs for Coffee Tea
PARACITY$8.571,269 rev
Trending
90-day click momentumMont-Clair Stainless Steel Water Bottle Vacuum insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 500ml Leakproof Ideal for Adult Kids Running - Black
Mont-Clair$7.954.6★
Nalgene 16 oz Wide Mouth Water Bottle | Slim Cup Holder Size BPA-Free Durable & Leak Proof Lightweight Travel Bottle Cherry Blossom
Nalgene$14.034.6★
KINTO 20073 Togo Bottle 16.9 fl oz (480 ml) Light Blue Includes Straw Lightweight Water Bottle Dishwasher Safe Double Wall Construction
Kinto$34.674.2★
KINTO 20381 Water Bottle 10.1 fl oz (300 ml) Clear Lightweight Dishwasher Safe My Bottle
Kinto$20.934.3★
KINTO 20405 Water Bottle 16.9 fl oz (500 ml) Green Lightweight Dishwasher Safe My Bottle
Kinto$26.274.5★
What buyers say about 500ml water bottle
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality water bottle”
“Does not leak”
“Good size”
“Easy to clean”
“Keeps my water cold all day”
“Water tight and good quality”
“Great bottle and handy”
“Cute design”
“Worth the money”
“the color i got was clear”
What buyers complain about
“It Leaks”
“don't fit in car”
“Hard to use”
“was surprised when one recipient told me that the bottle did not hold a cold temperature for even a couple of hours”
“Did not receive the color ordered”
“They arent insulated”
“bottom cap fell off after moderate use”
“Definitely below expectations for the price and the brand”
“Rusts on the inside”
“Cannot seem to put the straw back after cleaning”
Top return reasons
Common questions
- Is 500ml water bottle profitable to sell on Amazon United States?
- The niche generates $71K/yr across 47 tracked products. 90-day search growth is +15.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the 500ml water bottle niche?
- 13 brands and 135 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in 500ml water bottle?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Ease Of Use. The return rate is 2.9%.
- When does demand for 500ml water bottle peak?
- Demand peaks in Aug; the busiest month runs 1.5× the quietest.
- What does it cost to enter the 500ml water bottle niche?
- Listings span $7.95–$58.75; the average listing price is $21.54 (sweet spot $15–$100). The average incumbent carries 2,797 reviews — the moat a new listing must climb.