【SIZE XS】:Neck girth 11", chest girth 11"-15", rope length 59". Our dog harness comes in four sizes with adjustable clips, suitable for small medium large dogs of all breeds. Please measure your pet as attached picture and choose the perfect size for your dog. 【BREATHABLE & COMFORTABLE】: Super soft breathable mesh cloth, keep pets cool and dry, not stuffy, very suitable for daily leisure walking, jogging, hiking, etc. It can be worn in the four seasons and the fabric won't rub and irritate your pet's skin so that your pets have a free and comfortable experience. 【NO PULL & NO CHOKE】: This no-pull dog harness is designed with a single leash D-ring that can be easily connected to the traction rope hook, and is not easy to swing, to prevent choking and pulling. It won't hurt your dog's neck even when pulling hard. The releasable buckle, metal D-ring, and 360°rotable buckle provide three layers of protection for your pet. Besides, for safer dog walks, the handshake part of the rope is thickened to prevent the hand from being injured by excessive tension.