Thick EVA Sponge: The knee pads use high quality thick sponge that is not easily deformed, thick and well made. Effectively relieve pain caused by impact. Size: 1 pair of unisex, lightweight and durable knee pads S: Suitable for people weighing between 66-100 lb M: Suitable for people weighing between 100-130 lb L: Suitable for people weighing between 130-165 lb XL: Suitable for people weighing between 165-210 lb Adjustable velcro and Anti-slip strip: Our knee pads for garden with adjustable velcro, The upper knee has a non-slip silicone strip to make it not easy to fall off. Ergonomic Design: This knee brace adopts ergonomic design to provide all-round knee protection. The curved and fitted structure allows you to stay comfortable when kneeling or standing, and reduces the pressure and fatigue of the knees during long working hours. Widely used: Comfortable and Durable, suit for gardening, house improvement, housework, construction work, or dancing, yoga, volleyball, basketball ect.