
ZELUS Half Balance Ball Trainer 25 Inch
- Color: Blue
- Maximum weight recommendation: 600 pounds
- Unit Count: 1
- Material: Polyvinyl Chloride (PVC)
Last refreshed Jul 5, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
This half ball trainer earns its keep mainly on the flat, non-rolling base and the bundled bonus ball. Worth it if a stationary wobble trainer is genuinely what you want, not a bouncy full stability ball.
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ASIN: B08G4CXN16Category: Exercise Balls
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Overview
This half ball trainer sits on a 25 inch flat, non-slip base rather than rolling like a full stability ball, with a foot pump, two resistance bands, and a separate full-size exercise ball included in the box.
This is a half ball balance trainer, not a standard round stability ball, so the base stays flat on the floor while the dome flexes underfoot or underhand. The bundle folds in a second, fully round exercise ball plus two resistance bands, covering stretching and light resistance work alongside the balance training.
- 25 inch wide flat base with anti-slip TPR matting
- 8 inch dome height for a moderate wobble range
- Two resistance bands with cushioned grips included
- Foot pump and a second full-size exercise ball in the box
Who it's for
Suits anyone building a home core and balance routine who wants a stationary, flat-footed trainer rather than a bouncy full round ball, including older adults working on stability. Less suited to lifters who specifically want a rolling stability ball for slam or bounce work.
Pros and cons
- Flat, anti-slip base stays put during standing or plank work
- Comes with a second full exercise ball and two resistance bands
- Foot pump included, no separate inflator needed
Performance notes
The flat ABS base with anti-slip TPR matting keeps the dome from sliding during single-leg or push-up work, while the textured PVC surface adds grip for hands and feet. The included foot pump handles inflation without a separate air source, and the 8 inch dome height sets a moderate wobble range compared to taller trainers.
Specifications
| Brand | ZELUS |
|---|---|
| Dimensions & fit | |
| Maximum weight recommendation | 600 pounds |
| Item Dimensions L X W X H | 25 × 25 × 8 inches |
| Size | 25 inches (L) x 25 inches (W) x 8 inches (H) |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Color | Blue |
| Material | Polyvinyl Chloride (PVC) |
| Included components | |
| Unit Count | 1 |
| Other details | |
| Part Number | BAN |
Frequently asked questions
Does the ZELUS half ball come with a pump?
Yes, a foot pump ships with the set for inflating the dome.
Is this a full round stability ball or a half ball?
It is a half ball wobble trainer with a flat base; the set also includes a separate full round exercise ball.
What keeps the base from sliding on hard floors?
An anti-slip TPR mat on the underside of the 25 inch base is designed to grip the floor during use.