Yellow ball with elastic string 1.Material:polyester+latex 2.various color and size 3.keyword:ball with elastic string ...... Product NameYellow ball with ... etc. Cotton 20/1, 20/2, 20/3, 30/1, 30/2, 30/3, 40/1, 40/2, 40/3, 50/1, 50/2, 50/3 etc ... Nylon 70D,100D,140D,170D,210D,420D,840DDiameter0.5mm,0.6mm.0.7mm.0.8mm.1 ... size 54*45*35CM and 54*45*37CM Yellow ball with elastic string