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.

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.

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

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

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🎯 Sit Strong, Work Smart: The Ball Chair That Balances Your Life

EFFORTLESS SETUP - Includes a fast, hands-free foot pump and dual air stoppers so you’re ready to roll in minutes, not hours.
CUSTOM FIT STYLE - Available in 5 sizes and multiple colors to seamlessly blend with your home office or gym aesthetic—because function should look this good.
UNMATCHED DURABILITY - Engineered with ultra-thick 2000μ PVC to support up to 2200 lbs without bursting—built to last through every workout and workday.
VERSATILE WELLNESS TOOL - Perfect for yoga, Pilates, pregnancy exercises, core strengthening, and even as a dynamic office chair—one ball, endless benefits.
ERGONOMIC OFFICE UPGRADE - Transforms your desk setup by promoting active sitting, improving posture, and alleviating back pain—because your spine deserves better.

The Trideer Ball Chair is a premium, anti-burst exercise ball crafted from thick, non-toxic PVC that supports up to 2200 lbs. Designed for both fitness and office use, it promotes better posture and relieves back pain. It comes with a quick foot pump for easy inflation, multiple size options, and versatile applications ranging from yoga to pregnancy workouts.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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AR$410624

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Argentinastore

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Model Number	K21I-7196
Color	Black
Size	L(58-65cm)
Material	Polyvinyl Chloride (PVC)
Sport Type	Yoga
Batteries Included	No
Diameter	65 Centimeters
Use Object	Unisex-Adults

Trideer Ball Chair, Yoga Ball Chair, Exercise Ball Chair with Base for Home Office Desk, Stable Ball & Balance Ball Seat, Back Pain Relief, Home Gym, Workout Ball, Abs, Pregnancy Ball with Pump

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