Fully reversible - you'll be safe and comfortable wearing either sidePerfect fit - while our photos might make it look like a French bulldog harness, it is designed to fit any dog matching our size guide safely and securely Built for comfort - slides easily over your head, with padding and an adjustable strap to make sure you look good and feel good Premium quality - made from high-quality neoprene and breathable mesh, featuring secure buckles and a sturdy D-ring that supports all standard leashes. Size: Up 18-27 lbs (Neck: 14-16.5 in, Chest: 21-28 in)