Wallies Peel & Stick 3-D Dots Wall Art is made of durable self-adhesive backed vinyl that can be removed and repositioned easily. Enjoy decorating with your 3-D Dots Wall Art. To use simply peel the pieces off of the backing in the package and apply to any clean smooth surface or painted dry wall. This product is not recommended for textured or rough surfaces and should not be placed on newly painted walls which usually need about 30 days to fully cure. To remove simply peel and reposition to another area or return it to the original backing for storage. Wallies will not harm or damage surfaces and will not leave a sticky residue. Each package comes with 26 dots measuring from 2 inches to 6.5 inches in diameter The package measures 21.5 inches by 4 inches by 2 inches.