Watch Strap Material: Made of genuine leather (crazy-horse leather) with clean edge stitching and come with polished stainless steel silver buckle.Band Length: 12.5 cm long side and 7.5 cm short side strap (not counting the length of buckle). Designed to fit wrist around 16.5 cm to 20 cm. but watch dial also impacts fit. If you are not sure whether the strap length is appropriate. contact us and we will give you a suggestion.Compatible: Designed to apply to most traditional watches and smart watches which lug width is standard 24mm.Use and maintenance: Please avoid soaking your leather strap in the water repeatedly and it is not recommended to wear it to shower or swim.Packing List: Genuine Leather Watch Strap x 1. Replacement Tool x 1. Spring Bars x 4. If there are any problems. please feel free to contact us. we will reply you within 24 hours.