1,Product Name:Badminton shuttlecocks 2,Head Material:Compound Wood(2 Layers Cork) 3, ... Feather Material:Class C Duck Feather 1,Product Name: Badminton Shuttlecocks2,Head Material:Compound Wood(2 Layers Cork) 3, Feather ... fall pointD, It is suitable to advanced club players, professional training, international toumament and so onE, Different quality grade are available ...