Staywell Pet Doors are made to be durable and tough. Unlike cheaper models staywell pet doors can take on the frequent rough and tough use of pets going in and out that other brands can not. And just because a Staywell Pet Doors are made to be tough does not mean it is not gentle on your pet. Their panels are often designed with soft vinyl that does not trap or injure the dog. Staywell Pet Doors also come with locks ensuring you and ease of mind at night or away out of town knowing that your pet door is locked away.