We offer different sizes for different styles to ensure you buy the size that fits your wrist perfectly! See the below guide to order the right size. Classic Silicon Band for Apple Watch 38mm/40mm, S-M fits 125mm-165mm wrists38mm/40mm, M-L fits 145mm-190mm wrists42mm/44mm, S-M fits 130mm-170mm wrists42mm/44mm, M-L fits 150mm-210mm wrists Active Sports Band for Apple Watch 38mm/40mm, S-M fits 125mm-165mm wrists38mm/40mm, M-L fits 145mm-190mm wrists42mm/44mm, S-M fits 130mm-170mm wrists42mm/44mm, M-L fits 150mm-210mm wrists Milanese Loop for Apple … Continue reading Size Guide