A 5-mil clear (Mylar® type) polyester on a heavy kraft backing with BR3 adhesive. After cutting, Clear-Cut 5B™ is easily-released and removes adhesive-free, making a long-lasting, durable and cleanable stencil. Clear-Cut 5B™ will remove without curl and remain flat for as long as you keep the stencil. (Product Part Numbers: CC5B06100, CC5B07100, CC5B10100, CC5B12050, CC5B12100, CC5B15100, CC5B18100, CC5B24100, CC5B30100)