When you take your cat small dog, bird, or small pet in the car, it’s difficult to put them into a carrier with only one door. The pet mate two door top loading kennel cab makes it easy to use the top door to gently put your pet in to the carrier. The guinea pig goes in there very easily. This durable kennel has a front and a top door made of steel wire, with secure spring latches for safety. The top and bottom are secured with metal bolts and plastic wing nuts for easy and secure assembly. The carrier’s come in a 19 inch size and a 24 inch size. When not in use they can be taken apart and stored very easily and these can be taken away unscrewed.