Prevue Snuggle Sacks are super cozy hideaways that hang in your bird cage and provide a perfect place for birds to rest and feel secure. Each Snuggle Sack features a soft fleece interior, stiff bottom, and hanging hooks for easy cage attachment. Cozy hideaway shelter with sturdy bottom Offers your bird a protected place to feel warm, safe and secure Soft fleece interior provides a comfy resting place Cleaning: Snuggle Sacks are machine washable. Please let us choose one for you.