All of narcissism products use  environmentally friendly materials 100% Brand new and high quality!Imported materials which is environmental protecting.It  has passed 6P environmental testing and SGS international certificationFlexibility and comfort professional yoga products.High density TPE and super elastic. Specifications:Item Size:33*33*13cmThickness:20mmPackage Size:34*33.3*15cmColor:green/pink/purpleMaterial:TPE+ABS( Loading Weight:  1000lbs /435kg)  Package included:1x  Yoga Wheel  +1x guide paper