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Product guide

Trideer 9-Inch Pilates Exercise Ball

The Trideer Pilates exercise ball is a 9-inch PVC ball described for physical therapy, Pilates, and home fitness. Its small size and included inflation straw suit controlled exercises such as squeezes and stability work, while customer feedback is mixed on air retention and durability.

At a glance

Listed for physical therapy and rehabilitation exercises, including knee and hip work, inner-thigh activation, and core stability.
The lightly textured surface is described as providing grip. Inflation level can be adjusted to change firmness.
An included inflation straw is specified, with no separate pump needed according to the listing.
Compact ball is described for home workouts, classes, therapy sessions, and travel.

Price

$8.99Save 10%

Reference price: ~~$9.99~~

Price checked: Nov 12, 2026

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Often bought together

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Trideer Stretching Strap with Loops, Yoga Strap, Stretch Bands for Exercise | Non-elastic Leg Lifter for knee & hip recovery, home PT, hamstring, calf, back stretching and mobility

$5.99

Pros and cons

Pros

9-inch size is suited to compact, controlled movements and between-knee squeezing exercises.
Textured PVC surface and adjustable inflation let users vary grip and firmness.
Listing says the straw is included for inflation and the ball is easy to store.

Cons

A 9-inch ball is a small exercise aid, not a full-size stability ball for sitting or broad balance exercises.

Technical specifications

12 specifications

Identity
Brand	Trideer
Model	TRUSAM-YBAM-PVFR23
Ball type	exercise ball

Dimensions and weight
Diameter	9 inches
Listed size	9 inch
Weight listed	0.21 kg

Materials and construction
Material listed	Polyvinyl Chloride (PVC)
Construction	PVC-based construction with a textured anti-slip surface
Stitching	seamless

Other details
Color	Green (with inflation straw)
Age range	Adult
Sport type	Exercise & Fitness

What to know before buying

The listing says the ball may soften during its first week after inflation and may need more air. It also advises avoiding prolonged contact with painted, varnished, or wooden surfaces because some finishes may be sensitive to PVC.

What’s in the box

Included

1 Pilates ball & accessories

Who is it for?

A good fit for

Adults following a clinician-recommended home routine using a small ball for rehabilitation, strength, or stability work.
Pilates, barre, yoga, and fitness users seeking a compact prop for stretches and muscle activation.

Less suited to

Buyers who need a full-size exercise ball for sitting or large-scale balance training.
Anyone needing assured long-term air retention or durability, as customer feedback is mixed on both.

Trideer 9-Inch Pilates Exercise Ball · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 2,450 ratings

5 stars78%78%
4 stars12%12%
3 stars5%5%
2 stars1%1%
1 star4%4%

Customer feedback describes the ball as useful and easy to work with for physical therapy, strength, and flexibility routines, with positive perceptions of size and functionality. Reports about inflation, air loss, durability, and value are mixed. For buyers using the listed 9-inch ball in controlled exercises, those differences matter particularly if consistent firmness or long-term air retention is important.

Positive themes

Customers describe it as suitable for physical therapy exercises and appreciate its size for strength and flexibility routines.
Some customers report that it is easy to work with.

Negative themes

Some customers report continuing air loss or say the ball arrived feeling weak.

Mixed feedback

Inflation, durability, and value receive mixed feedback, with some customers finding it easy to inflate and sturdy while others report problems.

Frequently asked questions

What size is this Trideer ball?

The listing specifies a 9-inch diameter.

How is the ball inflated?

The listing says an inflation straw is included and that a separate pump is not needed. It notes that the ball may need additional air during its first week after inflation.

What exercises is it intended for?

The listing describes use for physical therapy and rehabilitation, Pilates, barre, yoga, strength training, stretches, and core stability. Follow your clinician's instructions for therapy exercises.

What do customers report about air retention and durability?

Feedback is mixed. Some customers find inflation straightforward and the ball sturdy, while others report air loss or a weak-feeling product.