Strap up in style for any outfit Compared to wide bands, the extra slim design makes this band ideal for both casual and formal occassions. The D-buckle ensures easy wear and removal. It's made with vegan leather that consists of 66% bio-based materials such as Bio-Pu and PLA derived from field corn and other similar sources. Change the look with just one click Switch out your watch band in a snap. The new design features a simple button that lets you effortlessly attach and detach the band in one click. It's that simple to customize your watch to match your unique taste. It's compatible with both Watch6 and Watch6 Classic.