Mterial: PU Foam Size:7-14cm long x 3.5-9cm wide x 1-4mm thick,Ball:3.5-6cm dia. Design: may vary to the stock,customer may not choose Note:We post them Randomly,you will Get at least 4 styles,Not get all different designs show in the picture,we don't accept return/refund for the reason of few/same style,pls note that before u buy,thanks