Make your dog's cot a cozier spot. Designed to perfectly fit Helinox Elevated Dog Cots, these warmers are an essential choice for cold-weather camping and outdoor adventure with your dog. Made from 100% recycled materials, these eco-conscious warmers provide insulation, draft protection, and cushion. Warmth comes from either recycled 100g spun polyester fill. It provides great insulation for its weight, packs small, and lasts for years. Available in two sizes: 36 x 24.5 inches (M) / 40 x 28 inches (L). Packs into an included stuff sack. Dog Cot warmers are machine washable for easy care and provide welcome warmth on cold nights and wintery days.