100% silicone material fit for 42mm apple watch series 1 series 2 sport & edition‎,‎ apple watch  as pictures show ‎,‎Soft flexible‎,‎ durable‎,‎ breathable‎,‎ lightweight‎,‎ and comfortable ‎,‎made by top quality tpu material‎,‎ safe and soft‎,‎ The sport band reduces weight and improves ventilation via row after row of compression‑molded perforations‎.‎Personalized replacement band for iwatch – it is energetic style‎,‎very fashionable and enthusiastic‎.‎Metal parts made with hypoallergenic nickel free stainless steel‎.‎Precise multiple holes design‎,‎ let you adjust to suitable length ‎,‎Compatible with‎:‎ 42mm apple watch series 1 series 2 sport & edition