Material: The motorcycle back protector is made of premium EVA material, wear resistant and durable, breathable, flexibility and shock absorption. Ergonomic Design: Back protector insert, ergonomically designed, fits for human body shape, free movement, perfectly suitable for both men and women. Shock Absorption: Motorbike insert armor pad, high resilience and tensile strength, high toughness, shockproof and cushioning performance Comfortable: Protective biker gear, lightweight and good ventilation, versatile fit, protect your back from injury, meanwhile improve comfort. Application: Armor back pad, used in jeans and jackets, suitable for motocross, motorcycle, dirt bike, ATV, off road, cycling, outdoor sports and so on. Size Chart: M: 41cmx27.75cmx1cm/16.14inchx10.93inchx0.39inch L: 46cmx31.15cmx1cm/18.11inchx12.26inchx0.39inch Package Includes: 1Motorcycle Back Protector Note: Please allow slightly errors due to manual measurement and different monitors.