Mattresses and Accessories - Endurance Bed 2.1 with side storage compartments, Green : The Endurance 2.1 bed maximizes the floor space by providing plenty of storage for the resident. The Endurance bed is ligature resistant, easy to clean, impact resistant, and bed bug proof. All Endurance products are infused with our Cor X anti-microbial compound which will help prevent the spread of germs. The 2.1 bed can use a 36x80 mattress or smaller. Restraint Rings can be attached to the bed if necessary.