This item is silicone case Compatible for Xiaomi Bracelet 4 and Bracelet 3. Made by premium silicone material, it is durable for long time use, protecing your smart band from scratches, reducing the impact of drop and collision. With necklace lanyard, adjustable, convenienet to use. Feature - Color: Black. - Material: Silicone. - Size: About 5.1 x 0.7cm. - Made of silicone material for durable and use. - Easily removes or installs the watch. - Specailly designed for Bracelet 4 and Bracelet 3. With necklace lanyard, convenienet to use. - Safely protects your watch from scratches, reducing the impact of drop and collision. - Made by premium silicone material, it is durable for long time use. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x silicone cover