There are charts online that tell you what size to get based on your height. I am 5'7" and have a 25 inch ball, which seems right for exercises where I am siting on it. However, that seems too big to use with the "dead bug" exercise, so I am going to get a smaller ball for that. So it depends how you plan to use it.

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Yoga Ball Exercise Ball for Working Out, 5 Sizes Gym Ball, Birthing Ball for Pregnancy, Swiss Ball for Physical Therapy, Balance, Stability, Fitness, Office Ball Chair, Quick Pump Included

Yoga Ball Exercise Ball for Working Out, 5 Sizes Gym Ball, Birthing Ball for Pregnancy, Swiss Ball for Physical Therapy, Balance, Stability, Fitness, Office Ball Chair, Quick Pump Included

Q: I'm 5'3" and 7 months pregnant. I'd like to use this ball for the office. What size should I get?

Dear, thanks for your question. L is suitable for you as a chair. Thanks and have a nice day : ) Trideer® Customer Satisfaction Team Customer-Oriented: 24/7 customer service. Fully understand and satisfy customers' needs. Refund at any time in full responsibility.

Q: I am 5’2 about 180 what size ball should I get to sit on for better posture while working.

I’m 5’5 and pregnant at 185 . 2 weeks before due date😁 I recommend the Large. That’s what I have. I love it. Especially for posture

Q: How do I know how much to inflate?

Dear, please know that the size of our ball is the height and diameter of the ball. If you ordered the M (48-55cm) size, please mark the height of 55 cm on the wall, and then inflate it to 48-55cm high according to your comfort level. If you ordered the L (58-65cm) size, please mark the height of 65 cm on the wall, and then inflate it to 58-65cm high according to your comfort level. If you ordered the XL (68-75cm) size, please mark the height of 75 cm on the wall, and then inflate it to 68-75cm high according to your comfort level. It is recommended to fill it up to 80% for the first inflation, and then properly inflate according to the usage. FYI attached please find the inflation video, thank you. Please keep it away from anything sharp, pets, heater or wood furniture, thank you very much. Trideer® Customer Satisfaction Team 100% Customer Satisfaction 24/7 Customer Service 30-Day Free Returns & 12-Month Warranty & Lifetime Maintenance

Product ID: 413712341

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Details

Brand
Trideer
Material
Polyvinyl
Colour
Black
Age range (description)
Adult
Sport
Exercise Yoga

⏱️Quick pump for fast inflation

⚖️Supports up to 330 lbs

🛡️Anti-burst honeycomb tech

Frequently Bought Together

Trideer Yoga Ball Exercise Ball for Working Out, 5 Sizes Gym Ball, Birthing Ball for Pregnancy, Swiss Ball for Physical Therapy, Balance, Stability, Fitness, Office Ball Chair, Quick Pump Included

Fit Simplify Resistance Loop Exercise Bands with Instruction Guide and Carry Bag, Set of 5

Trideer Pilates Ball 9 Inch Core Ball, Small Exercise Ball with Exercise Guide Barre Ball Mini Yoga Ball for Pilates, Yoga, Core Training, Physical Therapy, Balance, Stability, Stretching

Description

🧘‍♂️ Elevate your fitness and workday—balance, strength, and posture in one sleek ball!

POSTURE POWER UP - Transforms your office chair into an active seat that improves posture and reduces back pain.
READY WHEN YOU ARE - Includes a quick pump and detailed instructions for effortless setup—get moving in minutes.
BUILT TO LAST SAFE - Premium non-toxic, BPA-free PVC material supports up to 330 lbs with durability you can trust.
SAFETY FIRST ALWAYS - Honeycomb structure ensures slow deflation and burst resistance for worry-free workouts.
VERSATILE FITNESS COMPANION - Perfect for yoga, Pilates, HIIT, pregnancy exercises, and physical therapy—your all-in-one wellness tool.

The Trideer Yoga Exercise Ball combines advanced honeycomb anti-burst technology with premium BPA-free PVC, supporting up to 330 lbs. Available in 5 sizes and equipped with a quick pump, it’s designed for versatile use—from pregnancy and physical therapy to office posture improvement and high-intensity workouts.

Specifications

Age Range	Adult
Color	Black
Size	M(19-22ines/48-55cm)
Construction	inflatable, PVC
Material Type	Polyvinyl Chloride (PVC)
Number of Items	1
Outer Material	Polyester
Sport	Exercise, Yoga, Pilates
Included Components	pump
Batteries Included?	No
Brand	Trideer
Department	unisex-adult
Manufacturer	Trideer
Item model number	TR001
Package Dimensions	26.01 x 17.91 x 11.51 cm; 989 g
ASIN	B098F1Z9PZ

Have a Question? See What Others Asked

I'm 5'3" and 7 months pregnant. I'd like to use this ball for the office. What size should I get?

How Big Is It?

I am 5’2 about 180 what size ball should I get to sit on for better posture while working.

How do I know how much to inflate?

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