The Pet Life LED Lighting Halloween Dress Costume features a small and lightweight inner-stitched compartment pouch containing an LED On and Off switch, which controls the lights on the backside. This fun and spooky Halloween costume will help your pet stand out in style and especially during the dark. Features a nice fun and playful dress with belly hook and loop enclosures for convenient on and off access. Sizing Guide: from back of neck to tail area: Extra Small: 8" Small: 10-12" Medium: 14-16" Large: 18-20" Features: Light-Up Pet Intended For: Dog Base Material: 100% Polyester Care: Tumble Dry, Machine Wash Country of Origin: Imported