4Pc Mini Yoga Ball 10 Inch For Stability Exercise Training Gym AntiBurst And Slip Balls With Inflatable (blue) Features: Quality EVA.Cellular foaming technology, and easy to use. Super soft foam construction,You can blow wellness ball with the attached and on the purpose of use to adjust the soft yourself The wellness ball not be used as an accessory to enhance traditional and yoga poses but also can be used as a fitness cushion werever for releasing your neck and back. This Fitness Exercise Ball can be enjoyed and used by anyone, from children to the elderly. Note:Pilates could not bear the weight of the body.Please don't sit on it! Product Description: 4Pc Mini Yoga Ball 10 Inch For Stability Exercise Training Gym AntiBurst And Slip Balls With Inflatable (blue) Material: PVC Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 404g Package size: 20x15x8cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Quality EVA.Cellular foaming technology, and easy to use. Super soft foam construction,You can blow wellness with the attached and on the purpose of use to adjust the soft yourself The wellness not be used as an accessory to enhance traditional and yoga poses but also can be used as a fitness cushion werever for releasing your neck and back. This Fitness Exercise can be enjoyed and used by anyone, from children to the elderly. Note:Pilates could not bear the weight of the body.Please don't sit on it!