1. Material: metal2. Made of metal, comfortable and breathable3. Easy to install, easy to wear, easy to put on and take off4. The length of the strap is easy to adjust to fit your wrist5. Fashionable and beautiful, giving you a different visual experience Note: The package only contains the watch strap, not the watch body. Specification: General Compatible with Xiaomi: Smart Band 10, Smart Band 9, Smart Band 9 NFC, Mi Band 8 Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 22cm * 7cm * 1cm / 8.66inch * 2.76inch * 0.39inch Qty per Carton 300 Carton Weight 13.00kgs / 28.66lb Carton Size 42cm * 36cm * 32cm / 16.54inch * 14.17inch * 12.6inch Loading Container 20GP: 551 cartons * 300 pcs = 165300 pcs40HQ: 1279 cartons * 300 pcs = 383700 pcs