Hobo 100% Pure Organic Silk Sleeping Bag Liner 100% pure organic silk with 2 YEAR WARRANTY conditional on adhering to care instructions Amazingly breathable - silk keeps you cool in summer and warm in winter Perfect for ultralight backpackers and hostel stays. SIZE: 6'-10.5" x 2'-8", WEIGHT: 3.88 oz. with large pillow pocket and side opening. Feels Luxurious!