Keep the warmth in and the rain out of your Indigo Outdoor Shelter with a door designed specifically for the Indigo. Designed to fit on ‘s Indigo Dog Houses, these doors are made of heavy-duty, flexible vinyl that will insulate your Indigo shelter to keep your pet warm and safe from the elements while outside. The durable construction of these doors makes for long-lasting protection and helps to create a den-like space that dogs instinctively desire.