Communicate restricted access with this Danger Keep Out Authorised Personnel Only Sign. The message tells people to keep out unless they are authorised personnel. Available in a variety of sizes and materials. Size options are 60 x 80mm, 75 x 100mm, 150 x 200mm, 300 x 225mm, 400 x 300mm and 600 x 450mm. Choose from a sticker, a 5 pack of sti