ONEX 75cm Pink Anti-Burst Swiss Gym Ball – Professional Birthing, Yoga & Core Stability Sphere

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 delivers instant pelvic relief and deep core activation, whether you are conditioning stabilizer muscles or managing body weight support during pregnancy. Thin, generic fitness spheres stretch unevenly under stress, sagging under body weight and creating unstable positioning during therapy movements.

Extra-Thick Polymer Wall Architecture Deflates Safely Under Load

Unreinforced PVC exercise balls lose pressure rapidly and run the risk of sudden popping when supporting full body weight during active sessions. ONEX builds this 75cm pink sphere from heavy-duty, professional-grade PVC equipped with advanced anti-burst technology. Designed to slowly release air if punctured, the thick-walled construction maintains its structural integrity under intense core workouts, active posture seating, Pilates flows, and prenatal birthing exercises.

Multifunctional Stability & Therapy Highlights

• 75cm Professional Anti-Burst Casing: Extra-thick PVC wall structure retains shape under weight and deflates gradually if punctured for maximum user security.
• Ergonomic 75cm Diameter Scale: Generous dimensions provide optimal knee-to-hip angle alignment for tall individuals, active desk seating, and labor positioning.
• Tactile Surface Friction: Matte non-slip exterior grips studio floors and yoga mats cleanly, eliminating unwanted rolling during static holds.
• Versatile Physical Therapy Base: Supports low-impact abdominal crunches, pelvic tilts, lumbar stretches, and balance conditioning.

Technical Specifications

Effortless Integration into Daily Wellness Routines

Swap out your standard office chair for this 75cm pink sphere to engage stabilizing core muscles throughout the workday, then transition directly into evening stretching or prenatal alignment drills. When travel or space savings require it, deflate the unit quickly using standard air valves to pack it flat.

Delivery

We deliver to mainland UK addresses (with tracking). Delivery options, costs and estimated times are shown at checkout and in our Shipping Policy.

FAQs

Q: How does the anti-burst safety design protect the user during workouts?

A: The thick-walled PVC polymer is engineered to release air slowly in the event of a puncture, preventing sudden collapse or popping while in use.

Q: Is this 75cm size suitable for active office chair seating?

A: Yes, the 75cm diameter offers the height needed to maintain proper 90-degree hip and knee angles at standard desk levels while encouraging upright posture.

Q: How does delivery work?

A: We deliver to mainland UK addresses (with tracking). Delivery options, costs and estimated times are shown at checkout and in our Shipping Policy.

Last updated: November 2026

Fitness Accessories Hub, operated by MENSARK LTD, delivers across mainland Great Britain.

1. Order Processing

Orders are processed within 1 to 2 business days (Monday to Friday, excluding UK bank holidays). If there is a delay because of high order volumes or courier issues, we will email you straight away.

2. Delivery Options and Timelines

Standard Delivery: 3 to 5 business days to mainland UK addresses.
Express Delivery: 2 to 3 business days to mainland UK addresses.
Delivery charges depend on your order value and the option you choose, and are shown at checkout before you pay.

3. Areas We Do Not Currently Deliver To

Scottish Highlands: AB36-38, AB55-56, FK17-21, IV1-39, IV52-54, IV63, KW1-14, PA21-40, PH19-26, PH30-41, PH49-50.
Scottish Islands: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3.
Northern Ireland: all BT postcodes.
Isle of Man: all IM postcodes.
Isles of Scilly: TR21-25.
Channel Islands: all GY (Guernsey) and JE (Jersey) postcodes.

4. Supplier Delivery

Some items are sent directly from our suppliers or their delivery partners, so your parcel may arrive in the supplier's packaging or separately from other items in the same order. Fitness Accessories Hub remains your seller and your contact for any delivery issue.

5. Order Tracking

When your order is dispatched, you will receive an email with your tracking number and a link to follow your parcel. Tracking can take up to 24 hours to become active.

6. Delayed, Lost or Damaged Parcels

If your order arrives damaged or is significantly delayed, please email support@fitnessaccessorieshub.co.uk within 48 hours of the delivery date, with your order number and photos of the packaging and product. We will arrange a replacement or refund where appropriate.

7. Failed Delivery

Please make sure your delivery address is correct at checkout. If a parcel comes back to us because of an incorrect address or a missed collection, we may need to charge for redelivery.

Contact Us

Email: support@fitnessaccessorieshub.co.uk
Phone / WhatsApp: +44 7462 229248 (Monday to Friday, 9:00 AM to 5:00 PM UK time)
Fitness Accessories Hub is a trading name of MENSARK LTD, a private limited company registered in England and Wales. Company Number: 16552046. Registered Office: 497 High Road, Ilford, Essex, IG1 1TZ, United Kingdom.

How your order works

This order is based on a promise to sell. The product will be sourced from our supplier and delivered to you within the stated timeframe. The sale will be completed once the item is delivered to you. Kindly leave honest feedback after receiving your order.