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300 Gallon Outdoor Storage Box

300 Gallon Outdoor Storage Box shows demand growing +175.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

63
Worth a look

Top 22% of 8,839 Patio, Lawn & Garden niches · +7 vs the category median of 56

Market size 23Growth 97Conversion 29Competition 73Returns 96Price range 0Avg price 46Brand share 76Review moat 58Quality gap 82
This niche Category average · 8,839 niches

Is 300 Gallon Outdoor Storage Box profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 300 Gallon Outdoor Storage Box is a $94K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 63/100.

300 Gallon Outdoor Storage Box: 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 +175.2% over the last 90 days and 2.4% of searches end in a purchase.

$94K

revenue / yr

Units sold / yr500
Search volume / yr+175.2%20K
Conversion rate2.4%
Avg price$203.44

Who owns the niche?

The top 5 brands hold 59% of demand, so 41% of the market is open.

41%

open market share

Brands · sellers23 · 36
Top-5 product click share41%
Open market41%
Avg brand age25 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 43 products

Sponsored placement86%
New entrants (1y)19· 13 succeeded
Avg rating4.2★
Avg reviews1,164

Top 300 Gallon Outdoor Storage Box 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

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

$0$4K$8K$11K$15K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

23 falling

Sellers

36

Top-5 brand share

59%

Top 20: 98%

Top-5 click share

41%

Top 20: 74%

Open market

35%

  • TARKARI18%
  • YITAHOME14%
  • KFY10%
  • MAIUSCOLI9%
  • Greesum8%
  • DWVO7%

300 Gallon Outdoor Storage Box demand & seasonality

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

Volume20KCVR2.4%Products43Brands23Top 5 Brands59%OOS Rate4.4%Rating4.2★Reviews1,164Avg BSR#79
1K750Spike '24Holiday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.6×

Top 300 Gallon Outdoor Storage Box search terms shoppers use

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

  • 260 gallon outdoor storage box5K/yr
  • 300 gallon outdoor storage box4K/yr
  • 180 gallon deck box5K/yr
  • 260 gallon deck box6K/yr

What reviews say buyers love and hate about 300 Gallon Outdoor Storage Box

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

What buyers love

73% of reviews
Assembly/Installation21%

Assembly was easy

Storage Capacity14%

Lots of space

Quality-Overall10%

is good quality as well as roomy

Strength8%

Sturdy with actual metal in construction

Size-Overall5%

size is great

What buyers complain about

63% of reviews
Strength10%

a bit flimsy

Assembly/Installation10%

Partially assembled very poorly

Water Resistance9%

NOT WATERPROOF

Quality-Overall8%

I expected this to be higher quality

Durability5%

Not Durable

300 Gallon Outdoor Storage Box return rate & reasons

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

0.8%

Return rate

43%

Fixable by listing

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

1Defective Material/Parts
27%
2Size-Overall
25%
3Color
8%
4Assembly/Installation
8%
5Material Quality
3%

Common 300 Gallon Outdoor Storage Box questions

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

Flapen scores 300 Gallon Outdoor Storage Box 63/100 on Amazon United States — Worth a look. The niche generates $94K/yr across 43 tracked products. 13 of 19 products launched in the last 360 days are still selling. Search demand moved +175.2% over the last 90 days.
Search demand for 300 Gallon Outdoor Storage Box on Amazon United States peaks in Apr–May–Jun–Jul, where the busiest month runs 3.6× the quietest.