The Jumbo Joy Wall Appliques contains 5 - 10 inch x 18 inch sheets of stickers. There are a total of 20 floral and animal stickers that range in size from 1 inches x 2.5 inches to 12 inches x 8.75 inches. There is 70 assorted letters that range from 1.75 inches x 0.5 inches to 2.25 inches x 2.25 inches. They have self-stick adhesive that won't harm walls. The decals are removable and reusable. Just peel and stick.