15 lb medicine ball
Skip itA small market ($61K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$32.61avg listing price — sweet spot $15–$100
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Returns
Okay3.3%return rate — above 6% kills the launch gate
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Price range
Okay$16.85–$230.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-2.7%90-day search growth — must beat 0% to launch
Review moat
Bad7,118.96avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$61K$61K/yr · 36K searches
According to Flapen's Amazon United States niche tracking, 15 lb medicine ball is a $61K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 37/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
15 lb medicine ball market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $65K–$82K
- units × avg price
- Launch success
- —
- 2 of 2 new (360d)
- Conversion rate
- 5.2%
- Avg BSR
- #22
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 91%
- Out of stock
- 2.6%
- Avg brand age
- 86 months
- Avg seller age
- 199 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
12
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
57%
Top 20: 97%
Open market
13%
- ProsourceFit34%
- Amazon Basics17%
- Yes4All15%
- Rage Fitness9%
- Trideer7%
- MARCY5%
- Open — no brand owns it (5 brands, 13%)
Demand
Weekly Amazon search volume, last 30 weeks — -2.7% search growth over the last 90 days.Top 15 lb medicine ball search terms
- 15 lb medicine ball9K/yr
- medicine ball 15lbs5K/yr
- 15lb medicine ball5K/yr
- 15 pound medicine ball5K/yr
- slam ball 15 lb4K/yr
- 15 lb slam ball3K/yr
- medicine ball 15 lbs5K/yr
Top 15 lb medicine ball 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ProsourceFit Slam Medicine Ball Tread Textured Grip Dead Weight Balls for Strength and Conditioning Exercises Cardio and Core Workouts 15lb Black
ProsourceFit$26.494.7★4,486 rev
Amazon Basics Heavy-Duty Slam Medicine Ball for Exercise Weighted Design 15lb Black
Amazon Basics$21.954.7★415 rev
ProsourceFit Slam Medicine Ball Classic Dead Weight Balls for Strength and Conditioning Exercises Cardio and Core Workouts 15lb Black
ProsourceFit$26.744.7★4,486 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$17.574.6★45,018 rev
Marcy 15 lb Slam Ball Dead Weight Sand-Filled Medicine Ball with Durable PVC Shell & Textured Grip Non-Bounce Workout Ball for Slams Tosses Core & Full Body Training MCSB-015
MARCY$25.594.7★98 rev
Newest
by launch dateMarcy 15 lb Slam Ball Dead Weight Sand-Filled Medicine Ball with Durable PVC Shell & Textured Grip Non-Bounce Workout Ball for Slams Tosses Core & Full Body Training MCSB-015
MARCY$25.5998 rev
RitFit Soft Medicine Ball/Wall Ball Set for Strength and Conditioning Workouts Core Training and Cross Training(5/10/15/20/25/30lbs) (Red+Orange+Green+Blue(10lb+15lb+20lb+25lb))
RitFit$230.52441 rev
Amazon Basics Heavy-Duty Slam Medicine Ball for Exercise Weighted Design 15lb Black
Amazon Basics$21.95415 rev
Rage Fitness Slam Balls for Exercise Tread Texture For Firm Grip Full Body Exercise Ball Soft Slam Ball for Exercise 15lb Weighted Smash Ball Perfect Toning Ball for Flexibility and Core Workouts
Rage Fitness$25.47342 rev
Rage Fitness Slam Ball 10 15 20lb Medicine Balls Tread Texture For Firm Grip Full Body Workout Dynamic Weighted Balls for Exercise Smash Balls for Strength Conditioning Cardio and Core Workouts
Rage Fitness$27.74342 rev
Trending
90-day click momentum
Exercise Slam Medicine Ball by Trademark Innovations (Gray 15lbs)
Trademark Innovations$20.024.7★
Yes4All Slam Balls 10-40lb Medicine Ball Weight Durable PVC Sand Filled Workout Dynamic Medicine Ball for Core Strengthen
Yes4All$30.704.7★
Trideer Exercise Ball Stability Yoga Ball for Physical Therapy Active Sitting Pregnancy & Birth Labor Prep Core Strength Balance Training Posture Improvement and Daily Stretching 55/65/75cm
Trideer$18.544.6★
RitFit Soft Medicine Ball/Wall Ball Set for Strength and Conditioning Workouts Core Training and Cross Training(5/10/15/20/25/30lbs) (Red+Orange+Green+Blue(10lb+15lb+20lb+25lb))
RitFit$230.524.7★
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$17.574.6★
What buyers say about 15 lb medicine ball
What buyers praise and complain about, mined from review topics.What buyers love
“The quality of this ball is quite good”
“As advertised”
“Worth every penny”
“Great Exercise Ball”
“The ball inflates easily with the included pump”
“It has held up”
“Easy to use”
“Good size”
“This has a good thick material”
“Great back relief”
What buyers complain about
“Not true to size”
“Deflates”
“Broke within a month”
“Cheap and trash”
“its got a leak”
“they are quite expensive”
“Not sturdy”
“It does have a chemical smell”
“Hard plastic”
“was not what I thought it was”
Top return reasons
Common questions
- Is 15 lb medicine ball profitable to sell on Amazon United States?
- The niche generates $61K/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Skip it (37/100).
- How competitive is the 15 lb medicine ball niche?
- 11 brands and 12 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in 15 lb medicine ball?
- Top complaints mined from reviews: Size-Overall, Inflation/Deflation, Durability. The return rate is 3.3%.
- What does it cost to enter the 15 lb medicine ball niche?
- Listings span $16.85–$230.52; the average listing price is $32.61 (sweet spot $15–$100). The average incumbent carries 7,119 reviews — the moat a new listing must climb.