They have a small tunnel like opening and are very den like. It is especially nice for moms and their puppies for privacy and it is easy to clean. It has a lip that the babies cannot get over until they are old enough to start exploring safely. It has drains at the back of the house on the floor. It is insulated so that it stays cooler in the summer and warmer in the winter.
Obedience training is indispensable.
There are numerous situations that are going to arise which will require your dog to listen to you, consistently. Take your pup to obedience school. If you have adopted an older pet, take him too. You know the old saying about old dogs can't learn new tricks. Not true, they can, and rescue dogs are always anxious to please.