Inspirational stickers pack are made of durable vinyl that is safe, non-toxic, waterproof and durable. 100% waterproof Made of waterproof vinyl, you don't have to worry about them coming off during application or use. No fading, Durable Our stickers are all made with high quality vinyl ink, 100% waterproof and sunscreen, never fade. Removable, No Residue Made of non-marking glue, if you are not satisfied, you can tear it off and stick it again, and it can be pasted repeatedly without residue. Warm Tip Before you stick the sticker, it is best to keep a clean and dry surface. Please stick it on a smooth and flat surface. The cute stickers should not be used on a checkered，uneven or unsmooth surface.