Specifications: Waterproof function, so you don't have to worry about wearing it while washing hands or taking a shower. Replacement watch band compatible with Fitbit Surge, allowing your watch to have a new style. Made of high-quality silicone materials, breathable, skin-friendly, soft, and durable. Features a buckle for adjustable length to fit your wrist comfortably. Item Name: Watch Strap Material: Silicone Compatible Model: Fitbit Surge Features: Waterproof, Soft, Solid Color, Adjustable Band Width: 2.2 cm / 0.87 in (Approx.) Band Thickness: 0.2 cm / 0.079 in (Approx.) L Wrist Circumference: 5.8" - 8.7" (Approx.) S Wrist Circumference: 5.1" - 7.3" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight dimensional variations due to manual measurement. Package Includes: 1 x Watch Strap (Smart Watch Not Included) 5 x Screws 1 x Screwdriver