* 【Compatible Models】: AIRPROCE silicone sport iwatch bands are compatible with Apple Watch Ultra 2/Ultra, SE and Series 9/8/7/6/5/4/3/2/1.Please choose the correct watch model and size for yourself. 38MM/40MM and 41MM are universal, 42MM/44MM and 45MM&49MM are universal. Although the packaging has not been updated, it is universal. You can try it for free. If it is not suitable, return it for free.38MM/40MM and 41MM are universal, 42MM/44MM and 45MM&49MM are universal. * 【Highlight】: Various colors and sizes for you to choose, personalize your apple watch to fit your mood and outfit in daily life; You can mix up different colors of apple watch band to dress up your iWatch and highlight your unique taste.38/40/41mm S/M Size: Suitable for 5.1"-7.1" (130mm-180mm) wrist;38/40/41mm M/L Size: Suitable for 5.9"-7.9" (150mm-200mm) wrist;42/44/45mm S/M Size: Suitable for 5.5"-7.5" (140mm-190mm) wrist;42/44/45mm M/L Size: Suitable for 6.3"-8.3" (160mm-210mm) wrist. * 【Premium Material】: The apple watch strap use durable and soft silicone, prevents skin from irritation; flexible, lightweight and very comfortable to wear. Sweat & water resistant. * 【Easy installation and removal】: AIRPROCE apple watch bands comes with watch lugs on both ends, which locks onto your Apple Watch interface precisely and securely. Easy and direct installation and one button removal.