Is sonic party bags profitable to sell on Amazon United Kingdom?

The niche generates £27K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.5%. Flapen's verdict: Worth a look (50/100).

How competitive is the sonic party bags niche?

12 brands and 14 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in sonic party bags?

Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Size-Overall. The return rate is 0.7%.

When does demand for sonic party bags peak?

Demand peaks in Mar; the busiest month runs 2.6× the quietest.

What does it cost to enter the sonic party bags niche?

Listings span £3.30–£12.41; the average listing price is £7.90 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.

sonic party bags

Worth a look

Shows a thin review moat (68 avg reviews), but prices mostly outside the sweet spot ($3.30–$12.41) keeps it on the watch list.

Review moat

Incredible68.27

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Conversion

Good6.9%

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

Brand share

Good64%

top-5 brand share — brands hold most of the demand

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.90

avg listing price — sweet spot $15–$100

Growth

Bad-17.5%

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

Market size

Bad£27K

£27K/yr · 50K searches

Price range

Bad£3.30–£12.41

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

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, sonic party bags is a £27K/yr Amazon United Kingdom market (50K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Mar. Verdict: Worth a look — 50/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

sonic party bags market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: £24K–£32K; units × avg price
Conversion rate: 6.9%
Avg BSR: #435
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 10.6%
Avg brand age: 34 months
Avg seller age: 189 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

45%

Top 20: 97%

Open market

29%

Ainvliya21%
Luclay16%
Senidea10%
Aisszhao9%
Pyeunglloon9%
yumcute7%

Demand & seasonality

Weekly Amazon search volume, last 73 weeks — -17.5% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 2.6×

Open Trend

Top sonic party bags 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 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Luclay Party Bag Fillers Party Favours Kids- Birthday Gift Party Bags Dog Cartoon Themed Goodie Part Bags Slap Bands Stickers Keychains Decor for Boys Girls Kids Birthday Supplies Cartoon Lovers Deco

Luclay£12.333.6★4 rev

Aisszhao 30pcs Cartoon Party GiftBags CartoonParty Bags Cartoon Hedgehog Gift Bags for Kids Cosplay Partys Cartoons Gift Bag with Handle for Childrens Party Xmas Birthday Halloween Sweets

Aisszhao£3.304.5★678 rev

50 Pcs Sonic Party Bags for Boys Girls Birthday Gift Party Bags for Kids

Senidea£5.584.6★143 rev

30 Pcs Party Gift Bags Treat Candy Bags for Birthday Party Decorations Themed Supplies

CloverCy£4.284.6★173 rev

Jofiesu 86 pcs Party Favors Set Include and Keychains for Game Fans Party Bag Fillers Gamer Party Favours Colored Silicone Wristbands Rubber Key Chains Supplies Birthday Themed Party (Dark Blue)

Jofiesu£10.834.5★39 rev

Newest

by launch date

15PCS Cartoon Paper Party Bags Sweet Bags with Handles Colourful Paper Giftbags Birthday Candy Bag Theme Party Supplies for Kids Birthdays Weddings Easter Halloween Christmas

Ainvliya£9.046 rev

6mo ago

15 Pcs Cartoon Party Bags for Boys Girls Theme Paper Gift Bags for Kids Hedgehog Candy Paper Bag with Handle Reusable Birthday Candy Bag for Kids Party Favor Decorations

yumcute£9.2728 rev

7mo ago

12 Pcs Son-i Party Bags for Kids Paper Gift Bags with 12 Stickers Candy Goodie Treat Bags for Birthday

Ainvliya£5.819 rev

7mo ago

Ainvliya 128PCS Party Bag Fillers for Kids Unisex Party Favours Party Bag Fillers for Girls Boys Stickers Keychains Slap Bands Goodie Bags Badge Mask Birthday Decorations Party Supplies

Ainvliya£10.231 rev

1y ago

12 Pcs Cartoon Party Bags for Boys Girls Birthday Gift Party Bags with Stickers Hedgehog Theme Party Supplies for Halloween Birthday Christmas

yumcute£7.372 rev

1y ago

What buyers say about sonic party bags

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

What buyers love

Advertised Vs Actual Product33%

“They did the job”

Quality-Overall29%

“Good quality”

Size-Overall21%

“Decent size too”

Value For Money8%

“Good value for money”

Gifting Purpose8%

“Great sonic themed party gifts”

What buyers complain about

Value For Money50%

“Not very good for value”

Advertised Vs Actual Product20%

“Description not accurate”

Size-Overall20%

“Very small”

Adhesion/Stickiness10%

“Stickers dont stick”

Top return reasons

Size-Overall65%

Advertised Vs Actual Product15%

Inflation/Deflation5%

Smell5%

Strength5%

Quality-Overall5%

Common questions

Is sonic party bags profitable to sell on Amazon United Kingdom?: The niche generates £27K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.5%. Flapen's verdict: Worth a look (50/100).
How competitive is the sonic party bags niche?: 12 brands and 14 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in sonic party bags?: Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Size-Overall. The return rate is 0.7%.
When does demand for sonic party bags peak?: Demand peaks in Mar; the busiest month runs 2.6× the quietest.
What does it cost to enter the sonic party bags niche?: Listings span £3.30–£12.41; the average listing price is £7.90 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.