waterproof bag
Launch itA $2.4M/yr market growing +114.7% this quarter with returns at 4.7% — clears our launch bar.
Market size
Incredible$2.4M$2.4M/yr · 4.1M searches
Growth
Incredible+114.7%90-day search growth — must beat 0% to launch
Avg price
Great$19.00avg listing price — sweet spot $15–$100
Price range
Great$5.64–$48.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Returns
Okay4.7%return rate — above 5% kills the launch gate
Review moat
Bad11,171.46avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, waterproof bag is a $2.4M/yr Amazon United States market (4.1M searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Launch it — 58/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
waterproof bag market data
- Units sold / yr
- 100K–125K
- avg 4,000–5,000/product
- Revenue / yr
- $1.9M–$2.4M
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #12
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 159 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
20
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
55%
Top 20: 95%
Open market
11%
- HEETA53%
- AiRunTech13%
- Earth Pak8%
- Unigear6%
- STOVER6%
- Niveaya3%
- Open — no brand owns it (7 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +114.7% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.6×
Top waterproof bag search terms
- dry bag1.0M/yr
- waterproof bag877K/yr
- dry bags waterproof462K/yr
- waterproof pouch308K/yr
- water proof bag138K/yr
- dry bags139K/yr
- waterproof bags98K/yr
- waterproof bag for kayaking71K/yr
- waterproof dry bag81K/yr
- waterproof bag for beach72K/yr
Top waterproof bag 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
HEETA Dry Bag Waterproof for Women Men Roll Top Lightweight Dry Storage Bag Backpack with Phone Case for Travel Swimming Boating Kayaking Paddle Board Camping Beach Accessories (Transparent Blue 5L)
HEETA$10.734.6★36,266 rev
AiRunTech Waterproof Fanny Pack Phone Pouch Dry Bag for Passport Wallet Purse Floating Waterproof Bags for Travel Beach Swimming Kayaking Boating Cruise Accessories
AiRunTech$13.994.5★17,442 rev
HEETA Waterproof Dry Bag for Women Men Roll Top Lightweight Dry Storage Bag Backpack with Emergency Whistle for Travel Kayaking Boating Camping Beach Cruise Ship Essentials (Blue 5L)
HEETA$10.194.6★3,195 rev
HEETA Waterproof Duffel Bag Motorcycle Dry Bag Backpack Extra Large Rolltop Travel Duffle Bags with Straps & Handles for Kayaking Rafting Boating Canoeing Camping Gym Beach (Green 60L)
HEETA$48.494.4★307 rev
Unigear Dry Bag Waterproof Floating and Lightweight Bags for Kayaking Boating Fishing Swimming and Camping with Waterproof Phone Case (Yellow 2L)
Unigear$5.644.6★11,649 rev
Newest
by launch date
HEETA Waterproof Motorcycle Dry Bag Waterproof Duffel Luggage Travel Bags with Zippered Closure & Pocket Shoulder Straps Large Space for Motorcycling Camping Commuting Boating (Black 50L)
HEETA$47.6985 rev
HEETA Waterproof Dry Bag with Front Zippered Pocket for Women Men Roll Top Lightweight Dry Storage Bag Backpack for Travel Kayaking Boating Rafting Camping Hiking & Beach (Green 10L)
HEETA$17.34450 rev
STOVER 5/10/25/30/40L Waterproof Dry Backpack & Phone Case- Large Floating Dry Bag for Kayaking Travel Hiking Fishing Camping Motorcycles & Beach Heavy-Duty Roll Top Men/Women (Teal)
STOVER$26.45592 rev
Pritent Crossbody Bags for Women Man Waterproof Sling Bag Backpack Trendy Casual Cross Body Bag with Convertible Shoulder Strap Chest Bag for Camping Hiking Travel Essentials (Black Medium )
Pritent$8.69687 rev
STOVER 5/10/25/30/40L Waterproof Dry Backpack & Phone Case- Large Floating Dry Bag for Kayaking Travel Hiking Fishing Camping Motorcycles & Beach Heavy-Duty Roll Top Men/Women (Purple)
STOVER$31.21592 rev
Trending
90-day click momentumSTOVER 5/10/25/30/40L Waterproof Dry Backpack & Phone Case- Large Floating Dry Bag for Kayaking Travel Hiking Fishing Camping Motorcycles & Beach Heavy-Duty Roll Top Men/Women (Teal)
STOVER$26.454.7★
STOVER 5/10/25/30/40L Waterproof Dry Backpack & Phone Case- Large Floating Dry Bag for Kayaking Travel Hiking Fishing Camping Motorcycles & Beach Heavy-Duty Roll Top Men/Women (Purple)
STOVER$31.214.7★
HEETA Waterproof Motorcycle Dry Bag Waterproof Duffel Luggage Travel Bags with Zippered Closure & Pocket Shoulder Straps Large Space for Motorcycling Camping Commuting Boating (Black 50L)
HEETA$47.694.5★
Wise Owl Outfitters Waterproof Dry Bag 3-Pack Lightweight & Airtight 5L/10L/20L Small & Large Dry Bags for Kayaking Beach Travel Boating Hiking
Wise Owl Outfitters$28.224.6★
AiRunTech Waterproof Fanny Pack Waterproof Phone Pouch for iPhone 16 15 14 13 12 11 Pro Max IPX8 Dry Bag for Snorkeling Beach Cruise Kayaking Pool Swimming(Two Phone Cases+Two Waist Bags Set)
AiRunTech$20.434.5★
What buyers say about waterproof bag
What buyers praise and complain about, mined from review topics.What buyers love
“Truly water proof”
“Just the right size”
“Excellent product”
“Great Buy”
“Work as they should”
“Extremely good product the stuff you put in it stays dry”
“It is durable”
“Holds a lot”
“It works”
“Very easy to use”
What buyers complain about
“Not water proof”
“didn't fit”
“Poor Quality”
“Falls apart after using”
“Cheap strap”
“Water leaks in”
“cheap material”
“Hard to ziploc closed”
“buy a cheap product like I did”
“Doesnt keep contents 100% dry”
Top return reasons
Common questions
- Is waterproof bag profitable to sell on Amazon United States?
- The niche generates $2.4M/yr across 24 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +114.7%. Flapen's verdict: Launch it (58/100).
- How competitive is the waterproof bag niche?
- 13 brands and 20 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in waterproof bag?
- Top complaints mined from reviews: Water Resistance, Size-Overall, Quality-Overall. The return rate is 4.7%.
- When does demand for waterproof bag peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 3.6× the quietest.
- What does it cost to enter the waterproof bag niche?
- Listings span $5.64–$48.49; the average listing price is $19.00 (sweet spot $15–$100). The average incumbent carries 11,171 reviews — the moat a new listing must climb.