---
title: "exercise ball size chart — Niche Verdict: Skip it (35/100) | Amazon United States - Flapen"
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last_updated: "2026-07-14T03:32:40.572Z"
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meta:
  description: "a small market ($37K/yr) — exercise ball size chart doesn't clear our bar today."
  "og:description": "a small market ($37K/yr) — exercise ball size chart doesn't clear our bar today."
  "og:title": "exercise ball size chart — Niche Verdict: Skip it (35/100) | Amazon United States - Flapen"
---

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# **exercise ball size chart**

**Skip it**

A small market ($37K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 20Conversion 37Competition 40Returns 47Price range 75Avg price 88Brand share 26Review moat 23Quality gap 47

**Avg price**

**Great****$20.02**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.63–$28.00**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.4%**

return rate — above 6% kills the launch gate

**Competition**

**Okay****61%**

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

**Conversion**

**Okay****2.9%**

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

**Brand share**

**Okay****89%**

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

**Review moat**

**Bad****8,262.11**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-10.8%**

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

**Market size**

**Bad****$37K**

$37K/yr · 63K searches

## **Competition**

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**18**

**Top-5 brand share**

**89%**

**Open market**

**6%**

- Gaiam45% - APEXUP15% - Trideer11% - Fitvids10% - EVERICH TOY8% - ProBody Pilates5% - Open — no brand owns it (2 brands, 6%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$4K20%$7K30%$11K40%$15K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Gaiam Kids Balance Ball Exercise Stability Yoga Ball Blue 45cm](https://m.media-amazon.com/images/I/41QU9tYUnSL.jpg)**Gaiam Kids Balance Ball Exercise Stability Yoga Ball Blue 45cm**Gaiam**$17.00**4.6★1,150 rev](https://www.amazon.com/dp/B01M25TPKV) [2![Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump 2 000-Pound Capacity Blue 22-inch M](https://m.media-amazon.com/images/I/31or1yO+i8L.jpg)**Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump 2 000-Pound Capacity Blue 22-inch M**Fitvids**$11.99**4.5★46,471 rev](https://www.amazon.com/dp/B07RX2J294) [3![Trideer Exercise Ball for Yoga Pilates & Fitness Stability Ball Equipment for Home Gym & Office Chair Core & Balance Training Accessories Physical Therapy Equipment Quick Pump Included 5 Sizes](https://m.media-amazon.com/images/I/31sym2MdcWL.jpg)**Trideer Exercise Ball for Yoga Pilates & Fitness Stability Ball Equipment for Home Gym & Office Chair Core & Balance Training Accessories Physical Therapy Equipment Quick Pump Included 5 Sizes**Trideer**$17.56**4.6★44,980 rev](https://www.amazon.com/dp/B07DK9QZV9) [4![APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (M (19~22) 55cm Pink)](https://m.media-amazon.com/images/I/31b1E+VdY+L.jpg)**APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (M (19~22) 55cm Pink)**APEXUP**$16.84**4.6★4,924 rev](https://www.amazon.com/dp/B0CW14NRQQ) [5![EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.](https://m.media-amazon.com/images/I/41v3bikIxtL.jpg)**EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.**EVERICH TOY**$28.00**4.5★25 rev](https://www.amazon.com/dp/B0GHND6FY9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ZOOJOY Peanut Ball for Kids -18X35 Inch Anti-Burst Yoga Ball with Pump - Non-Slip Sensory Wiggle Seat for Balance Core Strength Physical Therapy - Home School & Therapy Chair Alternative](https://m.media-amazon.com/images/I/41uEsoO9P4L.jpg)**ZOOJOY Peanut Ball for Kids -18X35 Inch Anti-Burst Yoga Ball with Pump - Non-Slip Sensory Wiggle Seat for Balance Core Strength Physical Therapy - Home School & Therapy Chair Alternative**ZOOJOY**$27.87**13 rev3mo ago](https://www.amazon.com/dp/B0GSZ65NQF) [![PlayZap Peanut Ball for Kids Youths Adults Exercise Ball Stable Anti-Burst for Physical Therapy & Balance & Core Training Non-Slip Yoga Ball Chair Includes Pump (45cm/50cm)](https://m.media-amazon.com/images/I/41PjlxSouFL.jpg)**PlayZap Peanut Ball for Kids Youths Adults Exercise Ball Stable Anti-Burst for Physical Therapy & Balance & Core Training Non-Slip Yoga Ball Chair Includes Pump (45cm/50cm)**PlayZap**$27.73**10 rev4mo ago](https://www.amazon.com/dp/B0GQLJC4H4) [![EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.](https://m.media-amazon.com/images/I/41v3bikIxtL.jpg)**EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.**EVERICH TOY**$28.00**25 rev5mo ago](https://www.amazon.com/dp/B0GHND6FY9) [![EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.](https://m.media-amazon.com/images/I/41P-jtJrsVL.jpg)**EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.**EVERICH TOY**$27.90**25 rev5mo ago](https://www.amazon.com/dp/B0GHN1985D) [![Gaiam Mini Ab Ball (Romance Rose) 8 Inch Inflatable Anti-Burst Exercise Ball for Core Strength Pilates Yoga and Physical Therapy Includes Inflation Straw Plug & Downloadable Exercise Guide](https://m.media-amazon.com/images/I/21IpiyoAwcL.jpg)**Gaiam Mini Ab Ball (Romance Rose) 8 Inch Inflatable Anti-Burst Exercise Ball for Core Strength Pilates Yoga and Physical Therapy Includes Inflation Straw Plug & Downloadable Exercise Guide**Gaiam**$10.63**142 rev1y ago](https://www.amazon.com/dp/B0F4DQ5GT6)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ZOOJOY Peanut Ball for Kids -18X35 Inch Anti-Burst Yoga Ball with Pump - Non-Slip Sensory Wiggle Seat for Balance Core Strength Physical Therapy - Home School & Therapy Chair Alternative](https://m.media-amazon.com/images/I/41uEsoO9P4L.jpg)**ZOOJOY Peanut Ball for Kids -18X35 Inch Anti-Burst Yoga Ball with Pump - Non-Slip Sensory Wiggle Seat for Balance Core Strength Physical Therapy - Home School & Therapy Chair Alternative**ZOOJOY**$27.87**3.7★**▲ 133%**](https://www.amazon.com/dp/B0GSZ65NQF) [![PlayZap Peanut Ball for Kids Youths Adults Exercise Ball Stable Anti-Burst for Physical Therapy & Balance & Core Training Non-Slip Yoga Ball Chair Includes Pump (45cm/50cm)](https://m.media-amazon.com/images/I/41PjlxSouFL.jpg)**PlayZap Peanut Ball for Kids Youths Adults Exercise Ball Stable Anti-Burst for Physical Therapy & Balance & Core Training Non-Slip Yoga Ball Chair Includes Pump (45cm/50cm)**PlayZap**$27.73**4.5★**▲ 132%**](https://www.amazon.com/dp/B0GQLJC4H4) [![EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.](https://m.media-amazon.com/images/I/41v3bikIxtL.jpg)**EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.**EVERICH TOY**$28.00**4.5★**▲ 132%**](https://www.amazon.com/dp/B0GHND6FY9) [![EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.](https://m.media-amazon.com/images/I/41P-jtJrsVL.jpg)**EVERICH TOY Peanut Ball for Kids 18 Anti-Burst Autism Sensory Exercise Ball for Physical Therapy Balance Training & Yoga Bouncy Ball Chair for Boys and Girls.**EVERICH TOY**$27.90**4.5★**▲ 132%**](https://www.amazon.com/dp/B0GHN1985D) [![ProBody Pilates Yoga Ball - Fresh Colors Exercise Ball for Stability Pregnancy Workout Physical Therapy & Birthing Balance Ball Chair (Sky 65 cm)](https://m.media-amazon.com/images/I/41uk3qi+MDL.jpg)**ProBody Pilates Yoga Ball - Fresh Colors Exercise Ball for Stability Pregnancy Workout Physical Therapy & Birthing Balance Ball Chair (Sky 65 cm)**ProBody Pilates**$19.99**4.5★**▲ 81%**](https://www.amazon.com/dp/B01DVHNRVM)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.

3K2KPrime Day '25Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 2.4×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**20%

*“Excellent product”*

**Inflation/Deflation**9%

*“Easy to inflate”*

**Advertised Vs Actual Product**8%

*“As advertised”*

**Value For Money**8%

*“Good value”*

**Exercise/Sports Suitability**7%

*“Great Exercise Ball”*

**Size-Overall**5%

*“Good size”*

**Ease Of Use**5%

*“Easy to use”*

**Durability**5%

*“It has held up”*

**Efficiency**3%

*“are functional”*

**Stretchability/Expandability/Elasticity**3%

*“great to use to stretch”*

### **What buyers complain about **

**Inflation/Deflation**16%

*“Keeps deflating”*

**Size-Overall**14%

*“Big”*

**Durability**13%

*“Poor Durability”*

**Quality-Overall**9%

*“Cheap and trash”*

**Leak-Proof**5%

*“Leaks air”*

**Value For Money**3%

*“they are quite expensive”*

**Ease Of Use**3%

*“difficult to use”*

**Strength**2%

*“is not firm”*

**Product Condition**2%

*“Bought new received used”*

**Material Quality**2%

*“Thats got better materials”*

### **Top return reasons **

**Size-Overall**69%

**Inflation/Deflation**6%

**Value For Money**4%

**Advertised Vs Actual Product**3%

**Functionality-Overall**2%

**Leak-Proof**2%

**Material Quality**2%

**Product Condition**1%

**Defective Material/Parts**1%

**Exercise/Sports Suitability**1%