Sticker size:2.25″ On Widest Side X 1.25″ Tall Use on any clean smooth non-porous surface. WILL NOT ADHERE TO SILICONE, FABRIC, BRICK, OR WOOD. SURFACE NEEDS TO BE NON-POROUS for best adhesion. NOTE: WATERMARK WILL NOT BE INCLUDED. IT IS ONLY FOR SECURITY PURPOSES. Made mainly of paper that is thermal printed. Will not smudge. Great for indoor use or minimal exposure to direct sunlight. Not good for outdoor use in the elements. Expect temporary use when used outdoors. Keep in mind these stickers are made of paper and do not have the same durability as printed vinyl. Great for temporary use. These make great cost-effective ways to get your point across and/or spread your message. Easy to install… just peel & stick! Stick and Share them with friends, co-workers, siblings, exes, and/or strangers. Keep them, share them, stick them on anything. Makes for a great gift, prank, or joke to put on your buddy’s hard hat, tool box, laptop, water bottle, tablet, smart phone, locker, windows, bumpers, or helmets. The applications of these stickers / decals / labels are only limited to your imagination. Shipping:All items that can fit in an envelope are shipped via stamped standard mail with no tracking using the most economical method.