Brand MADBIKE Model 02 Quantity 4 piece(s) Type Body Armor Material Alloy steel board + EVA foam + Neoprene + elastic band Color Black Size Free Size Certification CE Other Features Knee support length: 43cm; Elbow support length: 34cm; Knee support lining uses all new diving superfine fiber hair; Elastic band and Velcro band design; Comfortable to wear; Provides best protection for outdoor motorcycling. Packing List 2 x Knee supports 2 x Elbow supports