Size is approx. 23.5 by 3.2 by 1.0cmAdditional product info:This is a replacement band made of nylon. Since it uses hook-and-loop fasteners, you can wear it at your preferred length. It comes with a silicon Pokeball charm and a PU design tag! This product is compatible with Apple Watch [SE (2nd Generation)/SE], [Series 10/9/8/7/6/5/4/3/2/1] (42/41/40/38mm). It cannot be used with other devices. This product has a front and back. Please check the back of the package carefully before attaching it. The image shows the product attached to an Apple Watch. The Apple Watch is not included with the product.