• Size Guide: Measure the circumference of the leg 10 cm below the knee. Size M: 31-34 cm. • High elasticity and skin-friendly: Four-way stretch, good elasticity, and unrestricted joint activities. Wide edge design, easy to slip on and comfortable to wear. • High-quality sponge cushion: Built-in high-quality sponge pad, with certain hardness but comfortable. Strong impact resistance to cushion knee pressure. • Good protection: 0.39-inch thick sponge to effectively reduce pressure on knee joints. Strong impact resistance, prevents collisions, and reduces wear and bruises. • Scope of application: Suitable for sports protection in activities such as dance, yoga, pole dance, and other physical activities. • Washing instructions: Machine washable in cold water. Does not fade or deform easily after washing. Do not bleach. • Material: Polyester, foam, and elastic rubber. • Total product weight: 65-95 g.