Clean the empty cans with warm water and soap. Rinse and dry immediately. Do not put them in the dishwasher does not oxidise pair. Almost all cans have a thin metal edge at the top and bottom. The edges will serve to define the decor: paint, paper, cloth, etc ... For your safety, if you had to open the can with a can opener, sand the edge with steel wool, to make sure that it is not capable of cutting areas. Decorate with paint cans To decorate your cans with paint, it is preferable to rub the area that you can paint with a mop: This will help the paint to fine better. Then clean with a damp paper towel to remove residue and let dry. If the can is "plasticized" inside (ie having white color) and not have to paint the inside. Otherwise, you'll need to varnish or paint color that will not rust over time. Decorate the cans with paper or cloth If you can and want to use them has edges, paint the edges (can be up to 3 layers of paint). Mark the height