Easy King Bed Doubling System includes a plush filler pad and top fabric to create a comfortable bed bridge AND an easily adjustable connector belt to safely and securely connect the beds together. Patented three loop design allows you to easily transform any two twin beds into a full-size king in minutes (regardless of mattress depth or length), and eliminates the need for a second person to hold the belt in place Ideal for configuring your beds or daybeds for guestrooms, B&Bs, guesthouses and vacation rentals New versatile design fits all twin mattresses, including twin XLs 5-year replacement warranty against defects