Different colors allow creating a fresh look every day and match your different dressesFor Xiaomi Band 3 ? Button design The wristband button is delicate and smooth, and the texture is clear. The T-shaped design effectively locks the wristband, so you don't have to worry about the wristband falling off at any time. ? Material These replacement bands are made of superior TPE+TPU quality, which is skin-friendly, soft and breathable when you wear them. ? Water-Resistant Wristband IP67 Water-Resistant Wristband Resistant against water splashes, sweat, cosmetics, dust and more. You don?t need to worry when doing daily routines, even when washing hands or taking a shower. ? Adjustable Length Many holes designed on band to adjust to suitable length Fit for 155MM-210MM circumference Size can be adjusted according to the circumstance of individual wrist suit for students and adults