Size: 38mm/40mm/41mm, stretchable. Pack of 4: No buckle, easy to put on and take off. Stretchy design and advanced printing process fit like a loose scrunchie. You can change the color of the bands that are compatible with your Apple Watch to match your outfit. General Size: The four compatible Apple Watch bands are 38/40mm, flexible, lightweight, and stretchable from 13.5-22.5cm. Fits most wrists. If you have any concerns, you can measure with a rope before purchasing. COMFORTABLE MATERIAL: These cute print elastic bands compatible with Apple Watch are made of cotton + polyester fabric with stainless steel buckle and elastic design. Not only beautiful hands but also soft touch. Wide Compatibility: Elastic straps for smart watches compatible with Apple iWatch Series SE, Series 5, Series 4, Series 3, Series 2, Series 1, Nike, Edition, Sport. PERFECT GIFT CHOICE: Our rope bracelet is a perfect gift for women, girls, women, girlfriends, wives, daughters and friends on Christmas, Halloween, Valentine's Day, Mother's Day, New Year, etc. Make them happy and look more beautiful and attractive.