⭐ What You Get： ❶ 1 * sport replacement band for Apple watch 38mm 40mm 42mm 44mm （Apple watch is NOT included） ⭐ How to choose your size? ❶ Wrap the rope around your wrist and make a mark at the wrist comfortable position, ❷ Use a rule to measure the length of the rope from zero scale to the marked position, ❸ 38mm/40mm (S/M) fit for the wrist of 5.1"-7.1" (130mm-180mm); 38mm/40mm (M/L) fit for the wrist of 5.9"-7.9"(150mm-200mm) ; 42mm/44mm (S/M) fit for the wrist of 5.5"-7.5" (140mm-190mm); 42mm/44mm (M/L) fit for the wrist of 6.3"-8.3" (160mm-210mm). Tips: choose the same size as the original one. ⭐ What occasion fit? ❶ It suit for sports, business, casual, etc ❷ It can also be given as an adorable gift for your lover, kids, family and friends during wedding, party, holiday, birthday, anniversary, Mother's Day, Thanksgiving Day, Christmas, New year, etc ⭐ How to install and remove straps? ❶ Just insert the band from right to left onto your watch, ❷ Press down the metal piece and pull out the band. Tips: Twist the band to ensure the clasp snap up when it is locked onto the wristband. ⭐ How to maintain your bands? ❶ Please keep your bands clean after exercising or sweating. ❷ Avoid contact with dark clothes directly to avoid discoloration of the strap. ❸ To prevent yellowing, please avoid strong sun exposure, rain or high temperature.