Product specifications: Material: nylon, spandex Gender: Unisex Color: black, pink, green, orange Number of pieces: A pair size: S: Leg circumference: 28-34cm; (weight around 45-60kg) M: Leg circumference: 34-40cm; (weight around 60-70kg) L: Leg circumference: 40-46cm; (weight around 70-80kg) XL: Leg circumference: 46-52cm; (weight around 80-90kg) XXL: Leg circumference: 52-58cm; (weight around 90-100kg) XXXL: Leg circumference: 58-64cm; (weight around 100-110kg) Package includes: A pair Tips: 1. Due to manual measurement, please allow a difference of 1-2cm. Please compare with your detailed size before buying. 2. Due to different computer screens, the actual color may be slightly different from the above picture, please understand. Product Type: Knee Pad Label: Yes