Is sleepover party supplies for girls profitable to sell on Amazon United Kingdom?

The niche generates £71K/yr across 84 tracked products. 0 of 42 products launched in the last 360 days are still selling. 90-day search growth is -13.6%. Flapen's verdict: Worth a look (57/100).

How competitive is the sleepover party supplies for girls niche?

53 brands and 67 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 40% of demand.

What do buyers complain about in sleepover party supplies for girls?

Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Color. The return rate is 0.7%.

When does demand for sleepover party supplies for girls peak?

Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.

What does it cost to enter the sleepover party supplies for girls niche?

Listings span £3.34–£42.87; the average listing price is £18.58 (sweet spot $15–$100). The average incumbent carries 82 reviews — the moat a new listing must climb.

sleepover party supplies for girls

Worth a look

Shows a thin review moat (82 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Review moat

Incredible81.94

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Brand share

Incredible40%

top-5 brand share — no brand owns this niche

Competition

Great26%

top-5 click share — an open shelf

Avg price

Great£18.58

avg listing price — sweet spot $15–$100

Price range

Good£3.34–£42.87

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad£71K

£71K/yr · 297K searches

Growth

Bad-13.6%

90-day search growth — must beat 0% to launch

Conversion

Bad1.3%

search→purchase rate — share of searches ending in a sale

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, sleepover party supplies for girls is a £71K/yr Amazon United Kingdom market (297K searches/yr). The top 5 brands hold 40% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 57/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

sleepover party supplies for girls market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: £93K–£111K; units × avg price
Conversion rate: 1.3%
Avg BSR: #503
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 8.3%
Avg brand age: 25 months
Avg seller age: 189 days

Competition & brand share

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

53 falling

Sellers

Top-5 brand share

40%

Top 20: 79%

Top-5 click share

26%

Top 20: 57%

Open market

55%

TESIN11%
Kklolai9%
Fashion Base8%
EcoUtens7%
MXHBSTP5%
Cococheers5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.6% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 2.0×

Open Trend

Top sleepover party supplies for girls search terms

sleepover party supplies for girls74K/yr -19.7%1.2% conv.
pamper party supplies for girls30K/yr +6.7%1.0% conv.
sleepover32K/yr -15.5%0.0% conv.
girls sleepover supplies21K/yr -0.6%0.9% conv.
sleepover stuff9K/yr +80.1%0.3% conv.
spa party supplies for girls15K/yr -14.6%0.8% conv.
sleep over party essentials for girls12K/yr -5.5%1.6% conv.
sleepover kit15K/yr -30.5%0.4% conv.
girls pamper party supplies10K/yr -10.6%1.3% conv.
pamper party11K/yr -22.1%1.4% conv.

All search terms

Top sleepover party supplies for girls 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

43 Pcs Spa Sleepover Party Supplies for Girls 6 Sleep Eye Masks 6 Headbands 6 Hair Scrunchies 12 Wrist Bands 6 Glitter Cups 6 Bags 1 Gift Wrapping Ribbon for Girls Pamper Slumber Birthday(Purple)

EcoUtens£26.815.0★3 rev

42 Piece Sleepover Party Supplies For Girls Pamper Party Supplies For Girls Skincare Headbands And Wristbands Sleepover Kit Suitable For GirlsPyjama Parties Bachelorette Parties And GirlsNights In.

Cococheers£26.225.0★1 rev

Kids Pamper Sets for Girls - 40 Piece Sleepover Party Supplies for Girls with Facial Masks Eye Patches Hand Cream Lip Balm & Foot Bath Bombs Pamper Party Gift Set for Birthday Spa Nights (Pink)

ZENTHRAA£13.284.2★11 rev

Sleepover Kit Spa Party Favors Supplies for Girls Hangover Kit Fillers - Facial Masks Skincare Cleanser Serum Hand Cream Lip Mask Foot Bath Bombs Pamper Gift for Spa Birthday (Cherry Blossoms-45PCS)

Fashion Base£16.944.1★203 rev

TESIN 24 Pcs Spa Party Supplies Includes 6 Spa Party Robes 6 Eye Masks 6 Tote Bags 6 Headbands - Rose red Birthday (Tag Size 12)

TESIN£28.914.1★8 rev

Newest

by launch date

43 Pcs Spa Sleepover Party Supplies for Girls 6 Sleep Eye Masks 6 Headbands 6 Hair Scrunchies 12 Wrist Bands 6 Glitter Cups 6 Bags 1 Gift Wrapping Ribbon for Girls Pamper Slumber Birthday(Purple)

EcoUtens£26.813 rev

2mo ago

45PCS Sakura Sleepover Party Supplies -Face Mask Skincare - Girls Spa Party Favors Kit for 5 Guests Pamper Gift Set for Teen Birthday Spa Night Slumber Night & Hen Party

Fashion Base£20.134 rev

3mo ago

Sleepover Kit Spa Party Favors Supplies for Girls Hangover Kit Fillers - Facial Masks Skincare Cleanser Serum Hand Cream Lip Mask Foot Bath Bombs Pamper Gift for Spa Birthday (Cherry Blossoms-45PCS)

Fashion Base£16.94203 rev

3mo ago

70PCS Gifts for Women - Skincare Gift Set Party Supplies for Girls with Multipack Face Masks Hand Cream Lip Balm Under Eye Patches Lip Mask Spa Party Favors for Wedding Birthday Christmas

Phyonoloy£17.136 rev

6mo ago

50PCS Sleepover Party Supplies for Girls 5 Set Spa Party Gifts Set for Women with Face Masks Eye Patches Hand Cream Lip Balm Lip Masks Bath Bombs & Gift Bags Ideal for Sleepovers Birthdays

Muiefe£16.0614 rev

6mo ago

What buyers say about sleepover party supplies for girls

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money24%

“Worth the money”

Quality-Overall16%

“Great quality”

Gifting Purpose14%

“Perfect for gift giving”

Size-Overall11%

“Good fit”

Advertised Vs Actual Product8%

“just as described”

Fun/Entertainment Experience6%

“Good fun”

Smell3%

“Smells amazing”

Color3%

“Good quality and lovely colours”

Soft Feel2%

“Everything feels gentle”

Ease Of Use2%

“Handy”

What buyers complain about

Inflation/Deflation18%

“Wont stay inflated”

Size-Overall18%

“Robe are not true to size 12”

Color9%

“on receipt every item was a different shade”

Instructions/User Manual/Troubleshooting9%

“The Pom Pom instruction are really unclear”

Ingredients-Overall9%

“as there were some ingredients we were not certain were suitable”

Smell9%

“I couldn't complete a while set in the same scent”

Quality-Overall6%

“To be honest, I wasnt expecting much in terms of quality because, for 70 items, the price is very low”

Value For Money5%

“tell me why over 3 days it went up In price each day”

Advertised Vs Actual Product5%

“Rubbish item not what is specified”

Top return reasons

Size-Overall30%

Quality-Overall21%

Inflation/Deflation13%

Design-Overall7%

Advertised Vs Actual Product6%

Strength4%

Material Quality3%