Head Material:Sandwich Cork Feather Material:Class A Goose Feather Weight (g):5 Color:White Feather:Super Grade Cigu Duck Feather Speed:74-79 Product name:protech shuttlecocks Material:Nature Feather Usage:Professional Tournament Packing:12 Pcs/ Doz MOQ:50 Dozens Item name:Badminton Shuttlecock BT-NO.1 Level:Professional Training Show More