Fun Bitcoin printed patterns are stamped onto a smooth, durable silicone band that can be swapped out for the standard band on any Apple Watch Includes straps that can be configured for either S/M or M/L length Smooth silicone Locks securely into place with a pin-and-tuck closure Dimensions ↣ 38/40/41mm Small/Medium band fits 4.75 - 7 inch wrist ↣ 38/40/41mm Medium/Large band fits 5.5 - 7.75 inch wrist ↣ 42/44/45mm Small/Medium band fits 5.5 - 7.5 inch wrist ↣ 42/44/45mm Medium/Large band fits 6.25 - 8.25 inch wrist Fits All Series - Compatible with Apple Watch Series 1, 2, 3, 4, 5, 6, 7,8 & SE Apple Watch is not included. Care Instructions: Wipe the band clean with a nonabrasive, lint-free cloth. It is OK to lightly dampen the cloth with fresh water.