Product Name: Oumida silicone strap compatible with Huawei Band 8 & Huawei Band 9 Note: a) Hosts and trackers are not included! This spare strap is compatible with Huawei Band 8&Huawei Band 9. Please choose the appropriate band based on the model. If you have any questions about the model of your watch, you can email us. b) Adjustable length, multiple spare holes adjustable length, easy to lock/disassemble. When using, refer to the details in the illustration to correctly install and remove the belt. (The manual is attached for reference). Compatible devices:Huawei Band 8&Huawei Band 9 Material: Silicone Dimensions: 150 mm and 220mm The package includes: Spare strap for 1 x Huawei Band 8 & Huawei Band 9(excluding watches) “If you have any questions, please feel free to contact us and we will resolve your questions as soon as possible.”.