waterproof sling bag
Skip itWeak search conversion (1.0%) — this niche doesn't clear our bar today.
Competition
Incredible20%top-5 click share — an open shelf
Brand share
Incredible39%top-5 brand share — no brand owns this niche
Avg price
Incredible$24.02avg listing price — sweet spot $15–$100
Price range
Great$6.97–$89.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+8.6%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,299.21avg incumbent reviews — the moat a new listing must climb
Returns
Bad6.0%return rate — above 5% kills the launch gate
Market size
Bad$77K$77K/yr · 326K searches
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, waterproof sling bag is a $77K/yr Amazon United States market (326K searches/yr). The top 5 brands hold 39% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Skip it — 49/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
waterproof sling bag market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $60K–$72K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #431
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.4%
- Avg brand age
- 33 months
- Avg seller age
- 145 days
Competition & brand share
Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.Brands
66 falling
Sellers
146
Top-5 brand share
39%
Top 20: 76%
Top-5 click share
20%
Top 20: 51%
Open market
57%
- Pritent9%
- BAGSMART8%
- WATERFLY8%
- The North Face8%
- Carhartt5%
- USPECLARE4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.6% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 2.5×
Top waterproof sling bag search terms
- festival bag86K/yr
- waterproof sling bag68K/yr
- nylon bags for women42K/yr
- waterproof crossbody bag for men13K/yr
- water proof cross body bag women11K/yr
- sling bag waterproof12K/yr
- crossbody waterproof bag9K/yr
- festival bags for women10K/yr
- kindle crossbody bag13K/yr
- athletic purses for women8K/yr
Top waterproof sling 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
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$8.694.5★687 rev

WATERFLY Crossbody Sling Backpack Sling Bag Travel Hiking Chest Bag Daypack (Black)
WATERFLY$22.264.5★47,683 rev

The North Face Womens Isabella Sling - Slim Carry Crossbody Bag with Large Main Compartment Water-Repellent Finish TNF Black Light Heather/Burnt Coral Metallic-NPF One Size
The North Face$45.034.6★841 rev

Carhartt Classic Adjustable Sling Bag Durable 600-Denier Water Resistant Hip Pack Essential Waist Pack (Black)
Carhartt$31.494.7★2,942 rev

Capolo Sling Bag for Women Men Waterproof Crossbody Bags for Women Trendy Casual Fanny Pack with Convertible Shoulder Strap Chest Bag for Travel Hiking(Black Medium)
Capolo$9.244.6★1,181 rev
Newest
by launch date
BAGSMART Crossbody Purses for Women with Adjustable Strap Puffer bag Black
BAGSMART$23.7083 rev

BAGSMART Quilted Crossbody Bags for Women Travel Purses Hobo Shoulder Bag
BAGSMART$23.83888 rev

BAGSMART Cross Body Purse Mini Crossbody Bags for Women Travel Purse Puffy Shoulder Handbag Wallet with RFID Blocking Slots Black-small
BAGSMART$16.461,869 rev

Capolo Sling Bag for Women Men Waterproof Crossbody Bags for Women Trendy Casual Fanny Pack with Convertible Shoulder Strap Chest Bag for Travel Hiking(Black Medium)
Capolo$9.241,181 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
Trending
90-day click momentum
Peicees Small Sling Backpack Waterproof Unisex Shoulder Bag Chest Crossbody Daypack
Peicees$22.204.4★

AiRunTech Waterproof Sling Shoulder Bag for Women Men Amusement Theme Park Mexico Cancun Vacation Essentials Accessories Must Haves Waterproof Pouch for Phone Passport Wallet Purse with Waist Strap
AiRunTech$16.024.5★

BAGSMART Quilted Crossbody Bags for Women Travel Purses Hobo Shoulder Bag
BAGSMART$23.834.6★

WATERFLY Crossbody Sling Backpack Sling Bag Travel Hiking Chest Bags Daypack (Teal blue)
WATERFLY$23.364.5★

BAGSMART Crossbody Purses for Women with Adjustable Strap Puffer bag Black
BAGSMART$23.704.6★
What buyers say about waterproof sling bag
What buyers praise and complain about, mined from review topics.What buyers love
“Love the Size”
“High quality bag”
“A compartment for everything”
“Plenty of room”
“Fair price”
“Lightweight and comfortable”
“As described”
“Comfortable to carry”
“Sturdy, comfortable”
“Easy To use”
What buyers complain about
“Opening is too small”
“Strap is too short”
“Not well made”
“Zipper fell off”
“Broken already”
“not the best material”
“instead it's light gray”
“otherwise the pocket isn't very useful”
“It was uncomfortable to wear”
“Not worth the money”
Top return reasons
Common questions
- Is waterproof sling bag profitable to sell on Amazon United States?
- The niche generates $77K/yr across 104 tracked products. 8 of 14 products launched in the last 360 days are still selling. 90-day search growth is +8.6%. Flapen's verdict: Skip it (49/100).
- How competitive is the waterproof sling bag niche?
- 66 brands and 146 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 39% of demand.
- What do buyers complain about in waterproof sling bag?
- Top complaints mined from reviews: Size-Overall, Strap/String Quality, Quality-Overall. The return rate is 6.0% — above our launch gate.
- When does demand for waterproof sling bag peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 2.5× the quietest.
- What does it cost to enter the waterproof sling bag niche?
- Listings span $6.97–$89.12; the average listing price is $24.02 (sweet spot $15–$100). The average incumbent carries 4,299 reviews — the moat a new listing must climb.