Garden in comfort, with no more rocks denting your kneecaps!. Unlike most knee pads, which buckle around the back of the knee, these pads feature two heavy-duty elastic straps with velcro: one at the lower thigh, one at the upper calf. This improves your comfort in a kneeling position and helps prevent the pads from falling down to your ankles when you walk. Made of thick closed-cell Ethylene-Vinyl Acetate (EVA) foam with polypropylene cap. Hand-washable with mild soap and warm water. Fits most people.