exercise ball size chart
Skip itA small market ($37K/yr) — this niche doesn't clear our bar today.
Avg price
Great$20.02avg listing price — sweet spot $15–$100
Price range
Great$10.63–$28.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.4%return rate — above 6% kills the launch gate
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Review moat
Bad8,262.11avg 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
According to Flapen's Amazon United States niche tracking, exercise ball size chart is a $37K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 35/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
exercise ball size chart market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $40K–$50K
- units × avg price
- Launch success
- —
- 0 of 4 new (360d)
- Conversion rate
- 2.9%
- Avg BSR
- #53
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 0.0%
- Avg brand age
- 60 months
- Avg seller age
- 168 days
Competition & brand share
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%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
6%
- Gaiam45%
- APEXUP15%
- Trideer11%
- Fitvids10%
- EVERICH TOY8%
- ProBody Pilates5%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.4×
Top exercise ball size chart search terms
- kids yoga ball17K/yr
- gaiam ball12K/yr
- yoga ball for kids13K/yr
- kids exercise ball6K/yr
- gaiam yoga ball4K/yr
- exercise ball for kids4K/yr
- therapy ball for kids4K/yr
- yoga ball kids4K/yr
Top exercise ball size chart 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
Gaiam Kids Balance Ball Exercise Stability Yoga Ball Blue 45cm
Gaiam$17.004.6★1,150 rev
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$11.994.5★46,471 rev
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$17.564.6★44,980 rev
APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (M (19~22) 55cm Pink)
APEXUP$16.844.6★4,924 rev
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$28.004.5★25 rev
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
ZOOJOY$27.8713 rev
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$27.7310 rev
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$28.0025 rev
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$27.9025 rev
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$10.63142 rev
Trending
90-day click momentumZOOJOY 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$27.873.7★
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$27.734.5★
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.
EVERICH TOY$28.004.5★
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.
EVERICH TOY$27.904.5★
ProBody Pilates Yoga Ball - Fresh Colors Exercise Ball for Stability Pregnancy Workout Physical Therapy & Birthing Balance Ball Chair (Sky 65 cm)
ProBody Pilates$19.994.5★
What buyers say about exercise ball size chart
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to inflate”
“As advertised”
“Good value”
“Great Exercise Ball”
“Good size”
“Easy to use”
“It has held up”
“are functional”
“great to use to stretch”
What buyers complain about
“Keeps deflating”
“Big”
“Poor Durability”
“Cheap and trash”
“Leaks air”
“they are quite expensive”
“difficult to use”
“is not firm”
“Bought new received used”
“Thats got better materials”
Top return reasons
Common questions
- Is exercise ball size chart profitable to sell on Amazon United States?
- The niche generates $37K/yr across 18 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -10.8%. Flapen's verdict: Skip it (35/100).
- How competitive is the exercise ball size chart niche?
- 8 brands and 18 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in exercise ball size chart?
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Durability. The return rate is 3.4%.
- When does demand for exercise ball size chart peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.4× the quietest.
- What does it cost to enter the exercise ball size chart niche?
- Listings span $10.63–$28.00; the average listing price is $20.02 (sweet spot $15–$100). The average incumbent carries 8,262 reviews — the moat a new listing must climb.