Slug Buster Traps provide safe and simple slug control that is non-toxic and reusable. Simply sink trap into soil and fill with beer, lager, yeast tablets or lettuce in salt water. Unlike slug pellets and poisons, traps have no risk of harm to other garden wildlife, pets, or children. Traps are made of UV-stabilized polypropylene and measure 4.7"W x 4.7"D x 4.3"H. Slug Buster Traps are also effective at controlling snails. 2 pack of traps.