Arm's Reach Co-Sleeper Portable Gray Dog Bunk BedSpecially designed pet bed built for co-sleeping. The Arm's Reach Co-Sleeper (R) Portable Gray Pet Bunk (TM) Bed is a separate sleeping area designed especially for your "4 legged friends". It provides a comfortable separate area that's within reach, allowing you more sleeping space. The Co-Sleeper is completely portable and folds with ease and includes a carrying bag for travel. The portable design makes the Co-Sleeper dog bed ideal for travel and hotel stays. The unique bunk bed design allows one pet to sleep on top and one to sleep on bottom. It's like having an extension of your own bed, without actually having your pets in it. The bunk bed includes a pillow with machine washable cover and a foam padded mattress that can be wiped clean. The lower bunk offers access from three sides. The Co-Sleeper portable dog bed is constructed with a strong metal frame and durable polyester/nylon fabric. The top bunk can also be used as a grooming surface.