1. 3mm Neoprene 2.Constructed of thick, durable, high-quality neoprene. 3.To keep warm, Protection knee function Material: Neoprene, 3mm (Black Mercerized+SBR+RED Polyester)Size:32*17CM Feature:1.Constructed of thick, durable, high-quality neoprene.2. Available in a range of colors , patterns and sizes3.Can print with your logo and OEM is welcomed.4.Style and Fashion,5.Easy to carry, not easy to ...