MADE FROM HIGH QUALITY INDOOR/OUTDOOR RATED ORACAL 651 VINYL! -Set of 40 Numbers, 4 Of each Number! Made From Very High Quality 5 mil. Engineer Grade 1 Vinyl. Waterproof, weatherproof! Use on clean, flat smooth Surfaces. Not recommended for rough surfaces as they will not last as long. Perfect For Glass, Vehicles, Big Rigs, Containers, Trailers, Heavy Equipment, Emergency Vehicles, Address Numbers, Mailboxes, Storefronts, lockers, Etc.You can cut the decal with basic scissors to arrange numbers as needed. -A vinyl cut sticker means that there is no background or clear backing. Only the image is the adhesive part! -These are not Cling-ons. -Please apply only to a clean, dry surface. Below are some instructions on how to apply these stickers:Step 1 Rub the sticker to be sure the transfer tape is properly adhered to the sticker with hand or something rigid like a credit card.Step 2 Clean and dry the desired area. Stickers will stick best to clean smooth surfaces.Step 3 Remove the paper backing slowly making sure the sticker stays adhered to the transparent transfer tapeStep 4 Carefully position the sticker to the desired area. Once the sticker sticks it will be nearly impossible to reposition without destroying the sticker. Rub the sticker from one side to the other, eliminating any air bubbles.Step 5 Use a hard edged object like a credit card to make sure the entire sticker is fully adhered to the surface.Step 6 Slowly remove the transfer tape. Making sure no part of the sticker remains on the transfer tape.Step 7 Check for air bubbles. In most cases air bubbles can be worked to the edge of the sticker, but if not, a pin hole will allow the air out and become virtually invisible, once the bubble is gone.That’s it! Your sticker is now worry free. It will last through rain, sleet, snow and gentle washing’s. You can remove the sticker from glass surfaces with a razor blade or in most cases a fingernail will get the removal process started. High Quality Indoor/Outdoor Rated Waterproof Vinyl (Application Instructions Included) Choose Size From 1″ To 12″ Free Domestic Shipping (Please Confirm Your Shipping Address Before Ordering) See My Other Listings For Other Available Colors!