The Life Venture Cotton Sleeping Bag Liner gives you that extra level of cleanliness when you are trekking or camping and cannot wash your sleeping bag. Made from 100% blue cotton, this washable sleeping bag liner, has rolled and double stitched seams for comfort. It can be used on its own in the warmer months or as a liner when the temperature drops. A hidden security pocket allows for valuables to be securely hidden when you are sleeping. Find More Lifeventure Cotton Sleeping Bag Liner - Mummy