The Synergy Lite Sheet Coupler 20 from Term-a-Rest is designed to wrap two 20-inch sleeping pads in a lightweight layer providing extra comfort and protection for two people to snuggle up. Made ultralight for backpacking and backcountry travel the Therm-a-Rest Synergy Lite Sheet Coupler is ideal for use with Therm-a-Rest backpacking quilts and blanket based sleeping systems. Sewn from premium soft-to-the-touch nylon, the Synergy Lite Sheet Coupler 20 is machine washable for hassle-free care. Therm-a-Rest Synergy Lite Coupler 20 Features: 20D Polyester Soft-to-the-Touch Fabric Compatible with Therm-a-Rest Quilt and Blanket-Based Sleep Systems Perimeter Loops for Easy Attachment Coupler Size Mates Two Pads Together Fits Both Rectangular and Tapered Mattresses Extend the Life of Your Sleeping Pad Dimensions 40in x 72in Weight Approx 170g