The Pet Life 'Checkerwag' Checkered Buttoned Mesh Reversible and Breathable Adjustable Dog Harness features a Micro-weaved exo-shell that is reversed with breathable and comfortable accented Micro-mesh for premium comfort that gently hugs the body. The Harness features beautifully checkered body and collar with accented paw buttoned trims. The back of the harness features adjustable Mesh and Nylon straps with dual stainless steel hooks that connect to any leash. The Flam-bowyant harness was specially engineered to limit stress around the stomach by placing light stress around the sternum for proper comfort. Features reinforced stitching for durability. Available in Multiple Sizes. SIZING MEASUREMENTS: In Inches EXTRA SMALL: Length: 5" Chest Girth: 13 - 17" SMALL: Length: 6" Chest Girth: 16 - 19" MEDIUM: Length: 6.5" Chest Girth: 19 - 22"