extra deep fitted sheet king size cotton
Worth a lookShows low returns (0.8%), but a small market ($69K/yr) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Brand share
Great57%top-5 brand share — no brand owns this niche
Price range
Good£6.87–£30.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Avg price
Okay£11.20avg listing price — sweet spot $15–$100
Review moat
Okay3,283.07avg incumbent reviews — the moat a new listing must climb
Growth
Bad-3.9%90-day search growth — must beat 0% to launch
Market size
Bad£69K£69K/yr · 135K searches
According to Flapen's Amazon United Kingdom niche tracking, extra deep fitted sheet king size cotton is a £69K/yr Amazon United Kingdom market (135K searches/yr). The top 5 brands hold 57% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
extra deep fitted sheet king size cotton market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £67K–£90K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #36
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 100%
- Out of stock
- 3.3%
- Avg brand age
- 53 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
24
Top-5 brand share
57%
Top 20: 100%
Top-5 click share
50%
Top 20: 90%
Open market
37%
- Filo Magico21%
- funky gadgets11%
- MOONLIGHT200159%
- My home store8%
- Aisbo7%
- Bedsure6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top extra deep fitted sheet king size cotton search terms
- extra deep fitted sheet king size cotton105K/yr
- cotton sheets king size16K/yr
- king size fitted sheets egyptian cotton10K/yr
- bed sheets king size cotton4K/yr
Top extra deep fitted sheet king size cotton 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
200 Thread Count 100% Egyptian Cotton Fitted Sheet - 16/40cm Extra Deep Fitted Bed Sheet - Luxury Ultra Soft Bottom Sheet - Deep Pocket Stretches Up to 16 (White King)
Filo Magico£10.734.2★1,110 rev

My Home Store Cotton Fitted Sheets King Size - 100% Egyptian Cotton 300TC Hotel Quality 30 cm Fitted Bedsheets (White)
My home store£11.404.2★2,259 rev

Funky Gadgets Super King Size Deep Fitted Sheets- White 100% Egyptian Cotton Bedding Sheet- Deep Fitted Sheet 30 Extra Deep Pocket Bedsheets Plain Dyed Bedding Set no Pillow case
funky gadgets£11.304.2★1,307 rev

Aisbo King Size Fitted Sheet Grey - Extra Deep Pocket Bed Sheet 16 inch 40 cm - Microfiber Bottom Sheet 150x200cm
Aisbo£7.254.5★3,892 rev

Moonlight Bedding King Size Fitted Sheets 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant
MOONLIGHT20015£7.784.5★4,738 rev
Newest
by launch date
BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding
BEDIO£9.4530 rev

MIKI WELL King Size Fitted Sheet Deep - White Bottom Sheet Extra Deep Pocket 16 inch 40 cm Soft Microfiber Kingsize Bed Sheet Wrinkle Resistant & Breathable
MIKI WELL£7.15163 rev

Rehan & Co 100% Egyptian Cotton Fitted Sheets 300 Thread Count Breathable Hotel Qulaity Bedding 12 / 30cm Deep Fitted Bed Sheet. (White Fitted Sheet King)
REHAN & CO£11.11209 rev

Grace King Size Fitted Sheets Extra Deep Pocket 40 cm (16 inches) Durable Elastic Bed Sheets - Premium Microfiber Fitted Sheets King Size - Ultrasoft Hypoallergenic Fade Resistant
Grace£9.0484 rev

100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)
Filo Magico£10.01475 rev
Trending
90-day click momentum
Linens World Egyptian Cotton Fitted Sheets King Size Breathable Anti Wrinkle 40cm Deep Pocket 200 Thread Count Bed Sheets Bedding & Linen 152 X 200-CM White Bedding King Size Fitted Sheets
Linens World£8.464.3★

BEDIO King Size Fitted Sheet 40 CM Extra Deep Pocket Charcoal Grey Bed Sheet Soft Brushed Microfiber Fabric All Around Elastic Breathable Shrinkage Fade-Resistant Comfortable Bedding
BEDIO£9.454.2★

100% Egyptian Cotton Flat Sheet - 200 Thread Count Ultra-Soft Long Staple Bed Sheet Luxury Hotel Quality Bedding - Shrinkage & Fade Resistant - Easy Care (King White)
Filo Magico£10.014.4★

Moonlight Bedding Double Fitted Sheet 40 Cm Extra Deep Pocket Grey Bed Sheets 16 inch Ultra Soft Bottom Sheet Brushed Microfiber Breathable Shrinkage and Fade Resistant
MOONLIGHT20015£7.104.5★

Sunshine Comforts Egyptian Cotton Flat Sheets King Size Breathable Anti Wrinkle Shrink and Fade Resistant 200 Thread Count Bed Sheets Bedding & Linen 260 x 254cm White Bedding King Size Flat Sheets
Sunshine Comforts£9.984.6★
What buyers say about extra deep fitted sheet king size cotton
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality bedding”
“Easy to fit”
“Very smooth and comfortable”
“not expensive”
“And comfortable”
“Good quality cotton sheets”
“Beautiful material”
“comfortable even after washing”
“Lovely and thick”
“As advertised”
What buyers complain about
“Does not fit”
“The sheet itself was poor quality”
“Cheap and shoddy material”
“Not very soft”
“does not resemble the images or description remotely”
“They had a chemical smell on unwrapping”
“I thought the price was a little too high”
“elasticity very tight round matters”
“Not as thick as I thought it was”
“One wash and it has bobbled, not impressed at all”
Top return reasons
Common questions
- Is extra deep fitted sheet king size cotton profitable to sell on Amazon United Kingdom?
- The niche generates £69K/yr across 28 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.9%. Flapen's verdict: Worth a look (51/100).
- How competitive is the extra deep fitted sheet king size cotton niche?
- 21 brands and 24 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in extra deep fitted sheet king size cotton?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.8%.
- When does demand for extra deep fitted sheet king size cotton peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the extra deep fitted sheet king size cotton niche?
- Listings span £6.87–£30.95; the average listing price is £11.20 (sweet spot $15–$100). The average incumbent carries 3,283 reviews — the moat a new listing must climb.