Littlearth NFL San Francisco 49ers Dog Harness Vest Polyester Mesh Imported Safe and secure No choke design pulls on Chest not neck for maximum comfort Soft high quality breathable sports mesh Reflective safety stripes and reflective edge binding for maximum visibility High quality quick release buckle and adjustable Chest strap. Soft Breathable Mesh Comfortable "No-Choke" Design Reflective Safety Stripe and Edge Adjustable Chest Sizing Strap Quick Release Buckle