Hedgehog Outgoing Packet Bag Rat Hamster Mouse Hanging Bed It is a outgoing packet bag. Great for rat, hamster, mouse, squirrel, chinchilla, hedgehog. The little window provides plenty of air circulation. The fabric is very soft and durable. Total Length of Strap:Approx 41 in. Comfortable and convenient for outgoings and travels. Size: Approx 6.5 *6 *2.3in. Perfect for all small pets,effectively prevent the invasion of the cold,so that your pet would like to stay in the bag inside.