Inflatable disc is made of PVC, which is , -slip and crack . Suitable for both adults and to improve , core stability, coordination and flexibility 

Feature: 
PVC, -slip and crack .
Spiky point has a grip, and a slight massage role.
13in in diameter, and gift a hand pump, shipment.
Nice cushion for both adults and to improve , core stability, coordination and flexibility.

Specification:  
Material: PVC
Color: Yellow / Red / Green / Purple / Blue / Black / / Grey (optional)
Diameter: 33cm / 13in 
Weight: 920g / 2.0lb 
Package weight: 940g / 2.1lb 

Package List: 
1 * Yoga Disc
1 * Hand Pump
Y12193B