81201 is a extended version of 80201 which is the square pave but slimmer in size. The unique new BeCharmed Pave has stylish steel rings that feature the SWAROVSKI ELEMENTS logo. It has a 4.5 mm hole that can be threaded on different materials and easily combined with the whole BeCharmed collection. Styles 80101 & 80201 have an epoxy base called Ceralun. Style #80201 are made with #4428 Square Fancy Stones.