Wallies Peel and Stick Chalkboard Puppy Wall Decal Puppy decal measures 23-1/2" x 33-1/2", bone decal measures 12" x 4" and ball decal measures 8-1/2" diameter. Write on the chalkboard contact paper with chalk and wipe clean with a soft cloth. Chalkboard wall decals are removable and repositionable. Easy to remove and safe for most surfaces. Just like chalkboard contact paper except that Wallies chalkboard wall decals are easy to remove and leave no sticky residue.