Lidl have got these mummy sleeping bags instore from Monday 19/05/14 priced at £14.99 which seems pretty good value. 3 year warranty included.
Product Information :-
Soft quilting and contoured hood for extra warmth
With left or right zip which allows two sleeping bags to be joined together to create a double sleeping bag for even greater comfort and warmth
Includes inner compartment for safely storing valuables
Temperature tested as per EN 13537:2012
3 year manufacturer's warranty