?Two-year warranty?: Please contact us as soon as possible if you receive a defective apple watch band. JXGM apple watch bands provides free replacement or full refund within 24 months,we will solve for you within 24 hours,We strive to provide you the best service. ?Easy installation and removal?: JXGM 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. ?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. ?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. ?Compatible Models?: AIRPROCE silicone sport iwatch bands are compatible with Apple Watch Ultra 2, Apple Watch 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.