WHISKER CITY Skull & Crossbones Black Cat Harness~GIRTH 12"-16"~ Dimensions: 12" - 16" (30.5 - 40.6cm) The Whisker City Glow Skull Mesh Harness is a fun, comfortable way to keep your cat safe on a warm summer night walk. The harness is made of soft, adjustable, breathable mesh with a glow-in-the-dark design. The glow-in-the-dark skull design at back of the harness creates a unique style, while the mesh inner material keeps her cool and comfortable.