Size: XS Weight: 10 Neck: 8" - 11" Chest: 11" - 16" Head: 8"- 12" Size: Small Weight: 20 Neck: 10" - 16" Chest: 16" - 23" Head: 12"- 16" Size: Medium Weight: up to 40 lbs. Neck: 14"- 20" Chest: 20"- 28" Head: 16" - 20" Size: Large Weight: up to 80 lbs. Neck: 18" - 24" Chest: 26" - 35" Head: 20"- 24" Size: XL Weight: up to 100 lbs. Neck: 22"-28" Chest: 32"-40" Head: 24"-28" Dog/Cat Sweater Pattern: Snowflakes Made from knit acrylic fabric Pullover style with holes for head and legs Hand wash and air dry