What is this?Vinyl letter stickers are resistant to tearing and water damage, ensuring they remain in top-notch condition for longer. Self-adhesive design, used on any smooth surfaces.What will I get?Each sheet measures about 8.7″/22cm x 10.8″/27cmLowercase and Uppercase letter stickers tall 1″/2.5cm; 2″/5cmColor:YellowPackage comes with 12 Sheets artistic font alphabet stickers, totally of 624 pieces(312 pieces lowercase and 312 pieces uppercase letter) letter stickersAre there any advantages of the product?DIY letter decals can be combined into different names, Holiday words, and words with different combinations, parents or teachers can take family to creative DIY.