Algonquin Single Over Double Bunk BedMATTRESSES SOLD SEPARATELY: This bunk bed frame does not include mattresses. You'll need 1 single mattress (top) and 1 double mattress (bottom). See our single and double mattress collections. We recommend 8" mattress thickness for proper guardrail safety. Part of our premium wooden bunk bed collection, the Algonquin combines smart storage with versatile sleeping space. Algonquin Bunk Bed Features Solid wood construction Built in storage drawers