Buckle closure ✅Compatible Models: Our silicone sport bands compatible for apple watch 38mm/40mm/41mm/42mm/44mm/45mm/49mm ; Breathable soft Replacement Strap Compatible with iWatch Ultra & SE & 8/7/6/5/4/3/2/1,suitable for men and women. ✅Waterproof and Skin-friendly: The apple watch strap use soft and smooth silicone which is durable and lightweight. Comfortable touch feeling free your wrists when you with the silicone sport apple watch band. ✅Two Size Available: Adjustable size for all wrists. 38mm/40mm/41mm suits for 38mm apple watch 5.6 inch -7.1 inch wrists, also works for 40mm & 41mm. 42mm/44mm/45mm/49mm suits for 42mm apple watch 6.2 inch-8.3 inch wrists, also works for 44mm & 45mm & 49mm. ✅Security & Easy to install：SVISVIPA iwatch band comes with watch Lugs on both ends, which locks onto watch band Interface precisely and securely. Easy and direct installation and one button removal ✅Best Service: SVISVIPA provides you with the best quality service. If you have any questions about band from us, please contact us, we professional customer service team will help you solve your problem within 24 hours.