Material Made of genuine calfskin leather and solid stainless steel buckle. our leather watch band is flexible. waterproof. durable and comfortable for long time wearing.Select Proper WidthThis universal watch straps are compatible with any classic watches or smart watches with standard spring bars. The size in this listing refers to the watch band’s WIDTH. please measure your original watch band’s width to confirm the size before placing order.Quick Release Watch BandThe quick release design allows you to quickly and easily replace watch straps in seconds. without any tools. just simply slide quick release knob with finger.Rich Colors Selection There are 12 colors to meet your different needs. swapping between rich colors enable you to easily spice up a normal outfit and add style to your life.Package Included 1 x Leather watch strap 1 x Spring bar tool 2 x Quick release Spring bars 1 x Cleaning cloth. If you have any problem with our replacement watch band. feel free to contact us for help.