Healthex BED DOUBLING SYSTEM - COMBINE TWO TWIN BEDS INTO A SECURE COMFORTABLE KING SIZE BED Poly sheepskin softly pads the area where the beds join, and strong 2 belts keep mattresses safely together. They buckle together easily for quick set up and removal. The belts snap onto the sheepskin pad for a 75 - 80 mattress. Available in 2 sizes to accommodate pillowtop or extra plush mattress tops. Contains an 8 wide sheepskin pad. MADE IN THE USA.