A Harness - Harness with dotted pattern and vivid colors! Inner filler promotes superior comfort. Adjustable waist belt. Polyester and Cotton. Matching Leads! B Harness - Dotted pattern and vivid colored vest with Bone shaped embroidery. Inner filler promotes superior comfort. Cotton and Polyester. Size Neck Chest Weight S 8-10 14-16 5-7 lbs M 10-13 16-19 7-10 lbs L 13-15 19-23 11-18 lbs