---
title: "Slam Ball — $82K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/slam-ball"
last_updated: "2026-07-21T20:56:10.152Z"
locale: en
meta:
description: "Niche score 40/100 · $82K/yr market · 54K searches/yr · $31.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $82K/yr market · 54K searches/yr · $31.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Slam Ball — $82K/yr Amazon US Niche (2026) - Flapen"
---
# **slam ball**
**Skip it**
A small market ($82K/yr) — this niche doesn't clear our bar today.
Market size 21Growth 30Conversion 56Competition 28Returns 48Price range 95Avg price 95Brand share 47Review moat 23Quality gap 24
**Avg price**
**Incredible****$31.94**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.85–$64.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.2%**
return rate — above 6% kills the launch gate
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+3.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****7,205.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$82K**
$82K/yr · 54K searches
According to Flapen's Amazon United States niche tracking, slam ball is a $82K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Dec. Verdict: Skip it — 40/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **slam ball market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$80K–$96K**
- units × avg price
- **Launch success**
- **—**
- 1 of 1 new (360d)
- **Conversion rate**
- **4.8%**
- **Avg BSR**
- **#11**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **81%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **217 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **—flat
**Sellers**
**14**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**17%**
- ProsourceFit45% - Amazon Basics10% - Rage Fitness9% - MARCY8% - Champion Sports6% - Yes4All5% - Open — no brand owns it (5 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.
13K8KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/slam-ball/trend)
## **Top slam ball search terms**
- **medicine ball 20lbs**8K/yr+6.7%3.6% conv. - **20 lb medicine ball**10K/yr-6.8%4.5% conv. - **20lb medicine ball**8K/yr+2.8%4.2% conv. - **slam ball 20 lbs**7K/yr-0.9%3.9% conv. - **20 pound medicine ball**4K/yr+19.0%3.8% conv. - **20 lb wall ball**3K/yr+28.8%2.2% conv. - **20lb wall ball**3K/yr-1.1%3.3% conv. - **20 lb slam ball**3K/yr-6.9%5.7% conv. - **medicine ball 20 lbs**5K/yr+14.9%3.7% conv. - **20lb slam ball**3K/yr+2.0%6.9% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/slam-ball/search-terms)
## **Top slam 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.
0%10%$8K20%$16K30%$25K40%$33K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ProsourceFit Slam Medicine Ball Classic Dead Weight Balls for Strength and Conditioning Exercises Cardio and Core Workouts 20lb Black**ProsourceFit**$26.58**4.7★4,486 rev](https://www.amazon.com/dp/B07FQSYD9S) [2**ProsourceFit Slam Medicine Ball Tread Textured Grip Dead Weight Balls for Strength and Conditioning Exercises Cardio and Core Workouts 20lb Black**ProsourceFit**$28.54**4.7★4,486 rev](https://www.amazon.com/dp/B07FR67WS2) [3**Amazon Basics Heavy-Duty Slam Medicine Balls for Exercise Weighted Design 20lb Black 2-Pack**Amazon Basics**$26.36**4.7★415 rev](https://www.amazon.com/dp/B0DPQJRF3G) [4**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**$27.74**4.6★342 rev](https://www.amazon.com/dp/B0D33X2KSQ) [5**Marcy 20 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-020**MARCY**$29.21**4.7★98 rev](https://www.amazon.com/dp/B0FMW24WG4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Marcy 20 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-020**MARCY**$29.21**98 rev11mo ago](https://www.amazon.com/dp/B0FMW24WG4) [**Amazon Basics Heavy-Duty Slam Medicine Balls for Exercise Weighted Design 20lb Black 2-Pack**Amazon Basics**$26.36**415 rev1y ago](https://www.amazon.com/dp/B0DPQJRF3G) [**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**$27.74**342 rev2y ago](https://www.amazon.com/dp/B0D33X2KSQ) [**APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (L (23~26) 65cm Black)**APEXUP**$16.85**4,937 rev2y ago](https://www.amazon.com/dp/B0CGLQ8XNN) [**Yes4All Slam Balls 10-40lb Weighted Ball Weight Durable PVC Sand Filled Workout Dynamic Slam Ball for Strength Training Triangle Teal 20lbs**Yes4All**$29.43**14,036 rev5y ago](https://www.amazon.com/dp/B08J2D8J1M)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$17.57**4.6★**▲ 64%**](https://www.amazon.com/dp/B07DK9QZV9) [**APEXUP Yoga Ball 660 lbs Anti-Burst Exercise Ball with Pump 5 Sizes (L (23~26) 65cm Black)**APEXUP**$16.85**4.6★**▲ 44%**](https://www.amazon.com/dp/B0CGLQ8XNN) [**Yes4All Slam Balls 10-40lb Weighted Ball Weight Durable PVC Sand Filled Workout Dynamic Slam Ball for Strength Training Triangle Blue 20lbs**Yes4All**$34.11**4.7★**▲ 42%**](https://www.amazon.com/dp/B085C279MB) [**Champion Sports PRX20 Rhino Promax Elite Slam Balls 20 lb Soft Shell with Non-Slip Grip Medicine Wall Exercise Ball for Weightlifting Plyometrics Cross Training & Home Gym Fitness**Champion Sports**$64.78**4.3★**▲ 34%**](https://www.amazon.com/dp/B07YBX3ZH7) [**Marcy 20 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-020**MARCY**$29.21**4.7★**▲ 34%**](https://www.amazon.com/dp/B0FMW24WG4)
**~~View all trending →~~**
## **What buyers say about slam ball**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“The quality of this ball is quite good”*
**Value For Money**9%
*“Good value”*
**Exercise/Sports Suitability**8%
*“Great Exercise Ball”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Inflation/Deflation**7%
*“Nice inflatable device”*
**Durability**6%
*“it is very durable”*
**Ease Of Use**4%
*“Easy to use”*
**Pain Relief-Overall**3%
*“Great back relief”*
**Size-Overall**3%
*“Good size”*
**Stretchability/Expandability/Elasticity**3%
*“Great for stretching”*
### **What buyers complain about **
**Inflation/Deflation**13%
*“It deflated constantly”*
**Size-Overall**12%
*“Not true to size”*
**Durability**11%
*“Broke day 2”*
**Quality-Overall**9%
*“Cheap and trash”*
**Leak-Proof**4%
*“The first developed a very fast leak after 6 months”*
**Balance/Stability**3%
*“The balance of the ball is way off”*
**Product Condition**3%
*“Bought new received used”*
**Strength**3%
*“Not sturdy”*
**Value For Money**3%
*“Not worth the money”*
**Grip**2%
*“I really dislike the texture and grip”*
### **Top return reasons **
**Size-Overall**58%
**Inflation/Deflation**7%
**Value For Money**5%
**Weight Heavy**4%
**Advertised Vs Actual Product**4%
**Functionality-Overall**3%
**Leak-Proof**3%
**Grip**2%
**Material Quality**2%
**Exercise/Sports Suitability**1%
## **Common questions**
- **Is slam ball profitable to sell on Amazon United States?**
- The niche generates $82K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Skip it (40/100).
- **How competitive is the slam ball niche?**
- 11 brands and 14 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in slam ball?**
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Durability. The return rate is 3.2%.
- **When does demand for slam ball peak?**
- Demand peaks in Dec; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the slam ball niche?**
- Listings span $16.85–$64.78; the average listing price is $31.94 (sweet spot $15–$100). The average incumbent carries 7,206 reviews — the moat a new listing must climb.
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