The Wilderdog Sleeping Bag unzips 3/4 of the way around to flatten out for double the sprawl space, or keep it zipped up to let them burrow in! Made of durable, ripstop polyester outer, and a soft inner lining, your dog will be sure to get a cozy nights sleep on all your indoor & outdoor adventures! DESIGN & DETAILS: Measures 36" x 28" when laid flat + zipped shut Measures 16" x 10" when packed Durable, water resistant polyester outer shell Soft, quick drying cotton inner lining Synthetic fill Included, color matched stuff sack Weight: 29 oz Backed by our lifetime warranty! CARE: Wash on 'gentle' setting with low or no heat Hang to dry No chewing!