A cozy Christmas sweater is a winter necessity--even for your dog. Dress up your pup in this festive knit as the life of this year 's Christmas party. And hide the egg nog. Specs 100% Acrylic Super Soft Knit Harness Hole Machine Washable / Lay Flat to Dry Sizes are the length of the dog in inches from the base of the neck to just before their tail.