Freeland Outdoor via Amazon offers the Redcamp Cotton Flannel 2-lb. Filling Sleeping Bag in Envelope Blue for $35.99. Coupon code "W6BLYHFL" cuts it to $29.15. With free shipping, that's $32 off list and the lowest price we could find. It measures 75" x 33", is waterproof, and features 2 lbs. of cotton lining.