The Ultimate Silk Sleeping Bag Liner Rectangular from LifeVenture offers the maximum in comfort, breathability and weight saving. Made from 100% silk, the liner can be used on its own or combined with your sleeping bag. Including an integral pillow sleeve and contact germ guard, the sleeping bag liner is also treated with Polygiene odour control technology to keep fresh for longer. Includes a hidden passport pocket to store valuables for peace of mind whilst you sleep. Comes with a tough ripstop carry case to stow away easily and protect from the elements. Available in Mummy (tapered) shape or Rectangular.