Compatibility: Size #1: compatible with apple watch band 41mm/40mm/38mm. Size #2: compatible with apple watch band 45mm/44mm/42mm. Please check watch’s back or the band itself for size references. Please Be Caution: The Band’s color might appears differently under different Screen/Display, as well as in outdoor or indoor environment.
Comfortable Material: Nylon is skin-friendly and breathable material, if you wear the band with daily basis, you wont feel discomfort in your wrist. Only 0.31 Oz/10g, lightweight yet durable, great to use for sport activities and many other occasions.