Puppia Authentic Pacific Vest Harness B, Black, Medium This harness features the same quality Polyester air-mesh used on our soft vest harnesses but adds a touch of pattern design on the piping all around the harness Size: Medium - Neck Girth (8 1/2"); Chest Girth (12" ~ 14"); approx. 6-9 lbs. Material: 100% Polyester Available in Pink, Black and Sky Blue in sizes ranging from Small to Large The "Two-tone lead" is the coordinating lead to this harness