One side only. Since I've cut off the tag, please consider the size based on the actual measurements. Measured flat: Width: 10 cm Length: 15 cm There is some wear and tear, but I think it can still be used. I also have other volleyball-related items for sale, so please take a look if you'd like. 【High Support】 Mizuno volleyball supporters firmly support your knees and elbows during play, reducing the risk of injury. 【Comfortable Fit】 The stretchy material fits the body and ensures ease of movement. Comfortable even for long periods of use. 【Stylish Design】 The simple and refined black design is easy to match with any sportswear and looks great. - Brand: Mizuno - Color: Black - Application: Volleyball supporter Thank you for viewing.