SmartyKat Magic Mice Compressed Catnip and Ribbon Cat Toy. Made of 100% natural catnip with no fillers. The catnip is tightly compressed into a mouse shape, enticing cats to frolic, romp, and play without the mess of loose catnip flakes. Includes curled ribbon tails for a multi-textured feel to stimulate your cat.5.5 In. x 1.25 In. x 1 In.