Trideer Exercise Balls Physical Therapy, 9 Inch Pilates Ball Between Knees for Physical Therapy, Mini Exercise Ball – Yoga Ball, Small Workout Balls for Core Strength and Back Support with Guide
Price: $9.99 - $8.99 (as of Jan 25, 2026 22:20:28 UTC – Details)
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Customers say
Customers find the exercise ball excellent for physical therapy, particularly for leg and knee exercises, and appreciate its perfect size and ease of use. Moreover, the ball is durable, with one customer noting it holds its shape and size well, and another mentioning it helps build leg strength. However, customers disagree on the air retention and softness aspects – some report it stays inflated while others find it impossible to fully inflate, and while many like the soft texture, some mention it doesn't get firm enough for their needs.
AI Generated from the text of customer reviews Generated from the text of customer reviews
Customers find the exercise ball to be of excellent quality, describing it as a great Pilates ball that is well made.
"Good quality, easy to inflate. I like the 9 inch size for exercises with ball between legs. Also works good for cores exercises. Great price too."Read more
"Great product! Made really well and comes with extra plugs and a pump and exercises too."Read more
"It’s a great exercise ball like the ones I’ve been using in rehab. BUT THEY WERE ALREADY INFLATED…."Read more
"Great quality and I love the color. Feels great. Easy to inflate. Perfect for my needs. Thank you!"Read more
Customers find that the exercise ball works well, particularly for knee exercises, and one customer mentions it effectively promotes hand opening and closing movements.
"It's exactly what I ordered and works great. Was on time too and easy to blow up."Read more
"Works well for being able to do PT exercises at home after hip replacement surgery."Read more
"Got this for back exercises. Works fine."Read more
"Works as advertised. Pretty good quality, easy to inflate. I use it for my home based physical therapy."Read more
64 customers mention ease of use, 63 positive, 1 negative64 customers mention "Ease of use"63 positive1 negative
Customers find the exercise ball easy to inflate and use, with one mentioning it comes with tools for filling.
"Good quality, easy to inflate. I like the 9 inch size for exercises with ball between legs. Also works good for cores exercises. Great price too."Read more
"…Comes with a device to adjust air (easy to use). Retains air and has good texture to the touch."Read more
"It’s as advertised. It will hurt your feelings during a workout. Easy to pump up. Hasn’t deflated. The texture keeps it from slipping when sweaty…."Read more
"Bought it for rehab after arthroscopic knee surgery. Easy to inflate and use."Read more
Customers like the ball's size, describing it as perfect for exercises and small but mighty. One customer specifically mentions it works well for knee compressions.
"…I ordered one for myself. It is not hard. Perfect for my therapy. Perfect size and retains air."Read more
"Right size once inflated with enough flex to squeeze in incriments."Read more
"I like the ball and it’s the correct size"Read more
"This is a good 9 inch exercise ball to use for Physical Therapy. It is holding up very well."Read more
Customers find the exercise ball sturdy, with one customer noting it maintains its shape and size over time.
"…It was easy to inflate and stays inflated. It is durable and easy to use. Also comes with exercise instructions."Read more
"…It's sturdy, looks nice, and wipes clean if it gets dusty. Overall, I really like this. It's my second one, my first one got hijacked by my dad…."Read more
"…It’s seeming to be very durable and the right size for most rehab exercise exercises…."Read more
"Strong and flexible small ball that can be used to strengthen muscles."Read more
Customers have mixed experiences with the ball's air retention, with some reporting it stays inflated while others find it impossible to fully inflate or say it doesn't hold air at all.
"Returned after one week. Difficult to inflate with the small straw that is in closed. It did not hold air."Read more
"The ball was easy to blow up and retains the shape while exercising. Fabulous seller too!!"Read more
"…a single session, but you have to refill it the next day as it deflates easily…."Read more
"…I like the size of it. Not too big, not too small. Holds air for a long time. I have had it for going on three years and have only refilled it twice."Read more
Customers have mixed opinions about the ball's softness, with some appreciating its nice feel and adjustable firmness, while others find it too soft for physical therapy exercises and not firm enough.
"…The ball is easy to hold because of the material it is made from. Soft, pliable and holds the air longer than previous."Read more
"…Also ball was very hard. Very disappointing."Read more
Good quality and great for exercising. The color is as shown in picture. Comes with a device to adjust air (easy to use). Retains air and has good texture to the touch.
The product seems OK. I've only used it for a few days and it already needs more air. The instructions are ridiculous. I did figure out how to "blow up" the ball. It isn't intuitive that you need to do that. So take the straw, insert it into the opening and blow. The next challenge is getting the plug in place without losing air. Good luck with that. It is a 9 inch exercise ball. Doesn't smell gross. I have been able to use it for my PT exercises.
Love this. My insurance refuses to pay for physical therapy. I have scoliosis, stenosis and spondylosis and needed something to strengthen my core. This is perfect and the instructions are very clear.
Instructions are terrible. It arrived deflated and there is no pump included. It does not say that you have to blow it up with your mouth. I cannot do this due to an ear problem. I am going to contact the seller.
Product Summary: Trideer Exercise Balls Physical Therapy, 9 Inch Pilates Ball Between Knees for Physical Therapy, Mini Exercise Ball – Yoga Ball, Small Workout Balls for Core Strength and Back Support with Guide
From Trideer Boosts Joint & Muscle Rehab: This Pilates ball, as ideal pieces of physical therapy equipment, works wonders in joint and muscle rehabilitation exercises (esp. back rehab!). It speeds up the recovery of a wide variety of body parts including the ankle, knee & hip joints and back & shoulder muscles, by improving posture, balance, and core stability, and in a safer way. Unlimited Variety of Uses: These swiss balls for exercise are an extremely versatile tool to help strengthen your whole body. They add an extra level of stability in yoga, pilates, barre, fitness training and rehab or recovery programs so as to enhance your practices. Also works great for releasing deep layers of muscles and fascia pre- and post-workout at home, in the gym, or at the physical therapy offices and rehabilitation centers. Easy to Inflate & Store: The 9 inch mini exercise ball inflates in seconds using the included tube. Make sure you quickly plug it tight using the included plug after inflation to avoid any air leaking. The small size of the pilates ball makes it easy to store at home or take with you to classes, therapy sessions, or when traveling. Anti-Burst & Anti-Slip: These 9” physioballs are made from long-lasting PVC free of phthalates. The physical therapy ball does not contain heavy metals (Pb, Cd, Hg, etc.) or 10 types of harmful heavy metal salts. The textured anti-slip surface delivers a firm and comfortable grip for your peace of mind when working out. Avoid placing the Pilates ball on wooden furniture for long periods to prevent damage.
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