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18 Oz Insulated Water Bottle

18 Oz Insulated Water Bottle shows a fragmented shelf (top 5 take 14% of clicks), but a small market ($64K/yr) keeps it on the watch list.

Flapen Score

52
Worth a look

Top 32% of 8,101 Sports & Outdoors niches · +5 vs the category median of 47

Market size 16Growth 46Conversion 19Competition 96Returns 58Price range 82Avg price 87Brand share 74Review moat 21Quality gap 40
This niche Category average · 8,101 niches

Is 18 Oz Insulated Water Bottle profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 18 Oz Insulated Water Bottle is a $64K/yr Amazon United States market (214K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 52/100.

18 Oz Insulated Water Bottle: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +17.2% over the last 90 days and 1.5% of searches end in a purchase.

$64K

revenue / yr

Units sold / yr4K
Search volume / yr+17.2%214K
Conversion rate1.5%
Avg price$19.99

Who owns the niche?

The top 5 brands hold 61% of demand, so 39% of the market is open.

39%

open market share

Brands · sellers56 · 216
Top-5 product click share14%
Open market39%
Avg brand age39 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 196 products

Sponsored placement85%
New entrants (1y)30· 13 succeeded
Avg rating4.5★
Avg reviews11,104

Top 18 Oz Insulated Water Bottle products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen.

$0$638$1K$2K$3K1001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

56 rising

Sellers

216

Top-5 brand share

61%

Top 20: 85%

Top-5 click share

14%

Top 20: 35%

Open market

36%

  • BJPKPK41%
  • Bambaw7%
  • Hydro Flask5%
  • THERMOS4%
  • Owala3%
  • POWCAN3%

18 Oz Insulated Water Bottle demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume214KCVR1.5%Products196Brands56Top 5 Brands61%OOS Rate2.7%Rating4.5★Reviews11,104Avg BSR#201
18K13KSpike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.2×

Top 18 Oz Insulated Water Bottle search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • bjpkpk insulated water bottles45K/yr
  • bjpkpk22K/yr
  • bjpkpk water bottle15K/yr
  • purple insulated water bottle13K/yr
  • all metal water bottle11K/yr
  • 40 oz water bottle with handle13K/yr
  • wide mouth stainless steel water bottles6K/yr
  • all metal water bottle no plastic7K/yr
  • purple stainless steel water bottle10K/yr
  • all stainless steel water bottle8K/yr

What reviews say buyers love and hate about 18 Oz Insulated Water Bottle

What buyers mention most, as a share of all reviews.

What buyers love

75% of reviews
Temperature Retention17%

Water stays cool

Quality-Overall14%

Excellent Product

Size-Overall8%

Perfect size for travel or home

Leak-Proof8%

It is leak proof

Color7%

Cute color

What buyers complain about

58% of reviews
Leak-Proof18%

Keeps leaking

Durability8%

Doesn't last

Size-Overall6%

not this size

Quality-Overall5%

Bad Quality

Ease Of Use4%

Extremely hard to close

18 Oz Insulated Water Bottle return rate & reasons

Why buyers send it back, as a share of all return requests.

2.7%

Return rate

65%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
41%
2Leak-Proof
10%
3Color
9%
4Value For Money
6%
5Advertised Vs Actual Product
4%

Common 18 Oz Insulated Water Bottle questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 18 Oz Insulated Water Bottle 52/100 on Amazon United States — Worth a look. The niche generates $64K/yr across 196 tracked products. 13 of 30 products launched in the last 360 days are still selling. Search demand moved +17.2% over the last 90 days.
Search demand for 18 Oz Insulated Water Bottle on Amazon United States peaks in Jul–Aug, where the busiest month runs 2.2× the quietest.