[Device Compatibility] This woven nylon replacement band fits all versions of Apple Watch,includes series 3 / series 2 / series 1. [High Quality Nylon Strap] The band is finished with quality nylon material by hand knitting to prevent the thread losing.Very comfortable and easy to attach to your apple watch. [Quality Control] To ensure the band you are going to receive will fits perfectly and lock on you iwatch securely,all bands were tested by installing and removing over 3 times before they are shipped to warehouse. [Size Range] 38mm Size fit for 4.9"-7.6" (125mm-195mm) wrist;42mm Sizefit for 5.7"-8.4" (145mm-215mm) wrist.Please confirm the size fits your wrist before ordering it. [Lifetime Warranty] If your band has any quality issue,we unconditionally send you a new replacement one.We promise 100% friendly customer service.Please feel free to contact us at any time you face a problem on it.