This is a 3.2 mil white vinyl face stock. The #626 adhesive is a high-tack permanent adhesive.  The adhesive is BS5609 certified.  The liner is a 4.6 mil clay coated lay-flat liner. Ideal for digital imaging when a laser or inkjet topcoat is added. The face stock is very durable, water resistant, and tear resistant. The liner is printable via flexo, offset, and even some laser. The clay coat allows for optimal feeding inside production digital equipment.