Bird nest bed features a sturdy plastic core to hold its shape Durable poly/cotton outer layer with a poly plush interior Sturdy-bottom tent holds its shape and boasts a poly plush interior with polyester/cotton outer fabric. Both ends are open to create a comfortable, secure spot to rest. Includes two metal clasp hooks for easy hanging within the cage. Spot clean only. Two sizes available, each in one of three colors. Please specify Blue/Red Plush, Red/Blue Plush, Yellow/Blue Plush, Blue, Green, or Red.