This is a rubber band for the Apple Watch. It has a design similar to Rolex's Oysterflex (appearance only). Compatible with Apple Watch sizes 49/46/45/44/42mm. The clasp is a double-lock type. (Please refer to the images for band adjustment instructions) It has been opened for inspection and fitted to my Apple Watch Ultra, but it is new and unused. *Apple Watch body not included. *Body cover not included.