12 Pack, 3", Black, Pot Toes, Prevent Staining & Rotting Of All Surfaces Including Decks, Wood Floors, Carpet, Tile, & Any Other Surface, Works On All Pots Regardless Of Shape & Size, Levels Pots On Uneven Surfaces, Makes Cleaning Under Pots Easy & Keeps Plants Healthier, Works On Planters Up To 500 LB, he 12 Pack Is For Use On 4 Planters.