Brand: Mumian Model: B11-4 Color: BlackMaterial: 65 Neoprene 30 Polyester 5 Nylon Size: Free Size・ Suitable for Knee Circumference 31-45CMAPPLICABLE: Knee Pain And Discomfort・ Mild Strain / Sprain・ Knee Fatigue・ Patellar Instability・ Fitness・ Sports And So On Various.Functions:1.Brand New And High Quality2.Adopt Silicone Elastic Bandage Design To Provide Local Pressure And Non-Slip Effect3.Allergen Free And Antislip・ It Is Very Comfort To Use4.Ergonomic Design of 2 Springs・ Perfect Support Effect5.Open Knee Brace Protector6.Adjustable And Durable7.Eva Gasket Design・ Very Comfortable8.Adopt Imported From Taiwan・ Edge with Soft Mesh Fabric・ More Durable