Contrasting patterns are stamped onto a smooth, durable silicone band that can be swapped out for the standard band on any Apple Watch. Color block style! Sizes: 38/40/41mm - Small/Medium Band length is 135mm -190mm 42/44/45mm - Medium/Large Band length is 180mm - 223mm Fits All Series 1, 2, 3, 4, 5, 6, 7,8 and SE Details: Comfortable and durable. Locks securely into place with a pin-and-tuck closure. Adjustable band Apple Watch is not included.