california king mattress bag
Skip itA small market ($85K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.40avg listing price — sweet spot $15–$100
Price range
Great$7.98–$36.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+24.1%90-day search growth — must beat 0% to launch
Brand share
Good73%top-5 brand share — brands hold most of the demand
Returns
Okay3.3%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,300.72avg incumbent reviews — the moat a new listing must climb
Competition
Bad72%top-5 click share — a locked-up shelf
Market size
Bad$85K$85K/yr · 32K searches
According to Flapen's Amazon United States niche tracking, california king mattress bag is a $85K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 47/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
california king mattress bag market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $82K–$102K
- units × avg price
- Conversion rate
- 13.0%
- Avg BSR
- #48
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 78%
- Out of stock
- 4.6%
- Avg brand age
- 50 months
- Avg seller age
- 202 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
16 rising
Sellers
20
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
22%
- Nordic Elk24%
- CHUPER23%
- PROWEE14%
- TICONN6%
- PROMORE6%
- Axgatoxe5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +24.1% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.0×
Top california king mattress bag search terms
- cal king mattress bags for moving10K/yr
- california king mattress bag8K/yr
- california king mattress bag for moving6K/yr
- california king mattress cover for moving4K/yr
- cal king mattress bag4K/yr
Top california king mattress 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nordic Elk California Cali King Mattress Bags for Moving Storage Bed Cover
Nordic Elk$31.344.8★20,005 rev
CHUPER King/Cal King Mattress Bag for Moving and Storage Waterproof Plastic Mattress Cover for Disposal and Protection Product
CHUPER$9.824.5★895 rev
PROWEE 2 Pack King/Cal King Mattress Bag for Moving and Storage Clear Plastic Mattress Cover for Moving Waterproof Mattress Disposal Bags
PROWEE$15.824.4★2,498 rev
Plastic Mattress Bag for Moving Storage King/Cal King Size 1.5Mil
PROMORE$7.984.6★1,105 rev
Plastic Mattress Bag for Moving Storage King Size (1.5MIL)
Axgatoxe$8.284.3★1,532 rev
Newest
by launch date
WTREE Double Shield Mattress Bag for Moving and Storage 8 Reinforced Handles Mattress Cover with Internal Clear Mattress Protector 170GSM Heavy Duty Tarp Mattress Mover Tool Queen
WTREE$22.89109 rev
Ecoterra Home King/Cal King Mattress Bag for Moving and Disposal 1-Pack
Ecoterra Home$9.31402 rev
Plastic Mattress Bag for Moving Storage King Size (1.5MIL)
Axgatoxe$8.281,532 rev
Plastic Mattress Bag for Moving Storage King/Cal King Size 1.5Mil
PROMORE$7.981,105 rev
ZCHENBS - King Mattress Bags for Moving Waterproof Storage Bag with Zipper Heavy-Duty 5 Mil Ultra-Thick California King Mattress Protector Cover for Moving Reusable (Solid/Black 1 Pack)
ZCHENBS$20.80349 rev
Trending
90-day click momentum
Mattress Bags for Moving with 8 Handles - Cali King Size - Extra-Thick Mattress Bag for Moving - Reusable Mattress Storage Bag - Mattress Cover for Moving with Zipper Moving Mattress Bag Protector
BELADOR$23.924.8★
ZCHENBS - King Mattress Bags for Moving Waterproof Storage Bag with Zipper Heavy-Duty 5 Mil Ultra-Thick California King Mattress Protector Cover for Moving Reusable (Solid/Black 1 Pack)
ZCHENBS$20.804.5★
WTREE Double Shield Mattress Bag for Moving and Storage 8 Reinforced Handles Mattress Cover with Internal Clear Mattress Protector 170GSM Heavy Duty Tarp Mattress Mover Tool Queen
WTREE$22.894.7★
Ecoterra Home King/Cal King Mattress Bag for Moving and Disposal 1-Pack
Ecoterra Home$9.314.6★
Plastic Mattress Bag for Moving Storage King/Cal King Size 1.5Mil
PROMORE$7.984.6★
What buyers say about california king mattress bag
What buyers praise and complain about, mined from review topics.What buyers love
“The bag fit great”
“Ease of use”
“Great bag and great quality”
“Good value for the money”
“As advertised”
“material was durable”
“very sturdy”
“Handles are great”
“Perfect for moving”
“This bag has very thick material”
What buyers complain about
“way too short”
“Coukd be thicker”
“rips easily”
“Bad quality”
“its very flimsy”
“The material is just way too thin to be worth it”
“Not worth the money looks like”
“then started leaking”
“unzippable bag waterproof”
“Slight difficulty trying to put the mattress in the bag by myself”
Top return reasons
Common questions
- Is california king mattress bag profitable to sell on Amazon United States?
- The niche generates $85K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +24.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the california king mattress bag niche?
- 16 brands and 20 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in california king mattress bag?
- Top complaints mined from reviews: Size-Overall, Thickness, Durability. The return rate is 3.3%.
- When does demand for california king mattress bag peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 2.0× the quietest.
- What does it cost to enter the california king mattress bag niche?
- Listings span $7.98–$36.48; the average listing price is $20.40 (sweet spot $15–$100). The average incumbent carries 4,301 reviews — the moat a new listing must climb.