The Houndhouse is made from breathable swag canvas, not disimilar to that found on waterproof wax jackets, only thicker and with a wipe clean interior. These hygienic veterinary approved Dog Kennels are unique, lightweight, collapsible & portable. The Houndhouse is 100% weatherproof keeping your dog warmer in winter and cooler in summer. The Houndhouse is the perfect  all year round Dog Shelter.