Colorful Brain Stickers Colorful Brain Stickers Decals[120Pack], Brain Aesthetic Vinyl Stickers Decals for Laptop Water Bottle Bumper Luggage Computer Skateboard. Gift for Kids Girls Teens. Description: Include: 120 Pcs Colorful Brain stickers Material: High quality waterproof vinyl PVC Size: 2-3 inches How to use? 1.Be sure that where you want to paste. 2.Clean the surface of the object. 3.Tear off the bottom paper. 4. Stick the sticker on the surface of the object firmly . 5.If not properly pasted,You can tear it up and paste it again. Note: Before using it, clean the surface where you want to use the stickers, then stick stickers directly on the surface. You must stick it on a smooth surface.