ZALAVER Bands Compatible with Apple Watch Band 38mm 40mm 。-No More Skin Irritation: The watch band 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 -Free Size: 38mm/40mm/41mm Size fits 5.1\"-7.1\" (130mm-180mm) wrist; 42mm/44mm/45mm/49MM Size fits 5.9\" - 7.9\" (150mm-200mm) wrist. Please check the size on the back of your watch to choose the right size before purchase -Easy Installation: The sport band for apple iWatch comes with watch lugs on both ends, which locks onto apple iWatch interface precisely and securely -Friendly customer service: You can contact us, if there is any question with our product. We will do our best to let you have an happy shopping experience