Metal Lathes They are diameter round clear acrylic sheet. They can be cut to other sizes and shapes with glass cutter or other cutting machine. The circle sheet is made of high quality acrylic,sturdy,durable and washable. With protective covers on both sides to prevent it from scratching. You can choose the proper one to proceed your unique creation. Supplied with protective PE film on both sides, need to peel them off to get a clean and transparent round acrylic sheet before using. Easy to use - acrylic keyring blanks are 0.3cm thick, easy and convenient for you to attach the acrylic circle blanks to the keychain or other accessories, Manufacturer: BCOMFY