Weatherproof & Durable: Our number sticker is waterproof, sunproof, cold-resistant, durable, and not easy to crack, fade, or fall off, perfect for both outdoor and indoor use. Easy Peel & Stick Installation: Simply peel the pre-cut numbers, use the included scraper, and apply them neatly to any smooth, dry and clean surface, no cutting needed, and easy to remove wihtout any residue.