Military approved, this medium gauge full size poly sleeping bag is compact and lightweight. Will form an effective shield against the elements, particularly wind and rain which contribute to hypothermia. Can also be used as a simple waterproof outer for a sleeping bag. Constructed from 300 gauge (medium) polythene plastic. Supplied in vacuum packed foil pouch. Packed Size: 10cm x 20cm x 3cm. Weight: 144g (5oz).