1) Material: neoprene, cotton or bandage Support (Knee) 2) Thickness: 2-4mm 3) Size: S, M, L Specification: ... 1) Material: neoprene, cotton or bandage Support (Knee)2) Thickness: 2-4mm3) Size: S, M, L About us ... Squash racket, Table tennis table and table tennis bat, Sports cap and sportswear, Hand (Foot) pump, Whistle, Dartboard, etc. It’s ...