The Pet Life 'Ultra Fur' Collared Metallic Dog Jacket is composed of high-grade sponge polyester outer shell and comfortable fleece inner lining. This dog coat contains Thinsulate thermal heat retention technology specially inserted between the fabrics keeping your pet warmer during those colder weather climate conditions. The faux fur collar contrasts this pet jacket nicely. The belly hooks and loops into place easily creating easy on and off access. Sizing Guide: (From back of neck to tail area) Extra Small: 8" Small: 10-12" Medium: 14-16" Features: Breathable, Insulated Pet Intended For: Dog Base Material: 100% Polyester Care: Tumble Dry, Machine Wash, Wipe Clean Country of Origin: Imported