In the wild small animals like to burrow or nest in hollowed out areas. This box encourages natural instincts used in the wild providing a safe & secure place to nest. Dimensions: 7.75 L X 4.75 W X 4.75 H (3 diameter opening) Suggested for: sugar gliders flying squirrels degus gerbils and other small mammals (1-2 per box) Mimics the natural nesting techniques exercised in the wild Top opens on a hinge for easy access for easy cleaning and to view or remove your pet. Attached hardware (included) allows for easy mounting to any cage. Add some nesting material and watch your pet build a natural nest or provide a warm fleece nesting pouch to use inside the box! Our suggestion is to mount the box higher in your pets cage top corner of the cage is ideal. Make sure your pet can always easily enter the box by setting up a wood platform below or mount next to side of cage. The wooden post will come detached inside the box and can be inserted into a pre-drilled hole at the front of the box. We suggest usin