This Calypso style FKM rubber watch strap is perfect for watch enthusiasts and those with active lifestyles. Whether you're swimming, working out, or just going about your daily routine, this strap can handle it all. It has a quick - release feature for easy swapping. The strap is made of high - quality FKM rubber with a classic perforated pattern. As for size, it's suitable for most standard watches. Its 316 stainless steel buckle adds a touch of style while ensuring a secure fit.