Prevue Pet Products BPV62393 7-Inch Terrific Tunnels Coconut Fiber Bird Tunnel Toy, Small Terrific tunnels bird tunnel is ideal for small birds Made of 100 percent sterilized coconut fiber Watch your pet tear into this; great as a hiding place or for taking a nap Some birds and small animals have used it for nest building Attaches to side of cage easily; available in small size and measures 7-inch