Large size short belt: 95mm, long belt: 145mm Product Name: Silicone Watch Strap Material: environmentally friendly silicone Features: It has wear resistance, high temperature resistance, no deformation, no toxicity, no odor, no harm to the human body and long service life. Advantages: soft, no cracking, long service life, no irritating skin, and cheap Uses: Suitable for parties, festivals and promotions, suitable for people of all ages Specifications: Suitable for replacing your watch strap. Multi-color for selection. Silicone double color strap. Great permeability suitable for daily wear. Size can be adjusted according to the circumstance of individual wrist, one size fits all. Fit for fitbit charge3 Package Included: 1*watch strap Notes: 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. 3. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings. Specifications: Suitable for replacing your watch strap. Multi-color for selection. Silicone double color strap. Great permeability suitable for daily wear. Size can be adjusted according to the circumstance of individual wrist, one size fits all. Fit for fitbit charge3 Package Included: 1*watch strap