Most listings offer half balance balls in two common diameters: about 23 inches and 25 inches. Many product pages explicitly list 23" and 25" options.
Weight capacities vary by model. Example listings show capacities such as 660 lbs, 880 lbs, 1,100 lbs and up to 1,600 lbs, so supported weight ranges widely—check the specific product specifications for the exact capacity.
Most half balance balls are made from PVC (polyvinyl chloride or polyvinyl) and many sets include a reinforced ABS plastic base for added durability.
Common accessories include two detachable resistance bands, a foot pump, and a bonus 10-inch mini Pilates/yoga ball; some kits also include an instruction manual. Exact contents vary by seller.
Many half balance balls have a textured, anti-slip top surface plus a reinforced ABS base with multiple anti-skid or suction feet (examples show six-point/6 anti-skid feet) to help prevent sliding.
Sets typically include a foot pump (often described as a high-pressure pump). Listings commonly state inflation can be completed in about five minutes or under.
Most sets include two detachable resistance bands with soft foam or cushioned handles; some listings note adjustable bands with specified resistance levels (for example medium/heavy) and list a length of about 30 inches in certain descriptions.
Common designs include the standard half‑dome trainer and the longer 'half peanut' shape; some models add extra handles or straps for additional grip and exercise options.