Main Features:- 16cm diameter， portable and durable
- Help to shape build your body and improve balance and flexibility
- The cushion forces you to stand with good posture
- Easy for using， adjustable by adding or releasing air Material: PVC Package weight: 0.306 kg
Product Size(L x W x H): 16.00 x 16.00 x 8.00 cm / 6.3 x 6.3 x 3.15 inches
Package Size(L x W x H): 17.00 x 17.00 x 8.00 cm / 6.69 x 6.69 x 3.15 inches Package Contents: 1 x Yoga Massage Cushion Mat