sport strap for apple watch band 4 5 44mm 40mm correas 42mm 38mm iwatch bracelet series se/6/5/4/3/2/1 silicone watchband rubber belt

features for watch sports strap with environmentally friendly silicone production, silicone is made of natural rubber processing, the strap is safe and soft, lightweight and durable. while a row of stomatal forming stomata, not only further reduce the weight, but also improve the permeability. an innovative pin-and-tuck closure ensures a clean fit. metal parts made with hypoallergenic nickel stainless steel. note: we have 38mm size l ,38mm size s,42mm size l ,42mm szie s