Features: A variety of colors for you to choose, the material is harmless to human skin, environmentally friendly, safe, and non-allergic. High quality silicone strap, very comfortable to wear. Fine workmanship, perfect style, waterproof, sweatproof, comfortable and soft. Made of high-quality silicone material, durable. Stylish and elegant appearance, highlight your personality. The strap is comfortable to wear, easy to use, high-quality choice. Specifications: Material:Silica Gel Size:Approx.12.1x9.2x2cm/4.76x3.62x0.78inch Color:White/Black/for Grey/Pink/Navy/Teal Green for Venu SQ/Venu 2 Plus 20mm 20mm Applicable models: vivomove sport, Venu 2 plus, approach S40, Forerunner158, Forerunner55, Venu, Venu SQ vivomove3, vivoMove Luxe, vivoMove style, vivomove, vivomove for HR sport, vivoactive3, vivoactive3 music, forerunner245, forerunner245music forerunner645, forerunner645music Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Silicone Strap