Durable construction: Built from top-grade particle board, with premium ash woodgrain finish, so your bed won’t bow or break, and is resistant to scratches, nicks, stains and water damage. Built-In she: A long shelf lines the back of both the bottom and top bunks, with raised shelf above on the left side of lower bunk and right side of upper bunk. Built-In stairs: Ash woodgrain veneered staircase is lined with a charcoal gray edge, and provides sturdy steps to reach the top bunk! Storage drawer: Full storage drawer under lower bunk can hold clothing, toys, or bedding, OR you can add another mattress as a trundle for guests. Eco-Friendly product: Your bed set is manufactured from wood source from eco-managed forests, processed with low solvent emissions, and eco-friendly recycling practices.