Two built bookshelves double as a ladder to let you access the loft bed with ease.loft bed provides a fashionable and comfortable place for children to sleep and study.Crafted of sturdy steel in a clean painted finish, this loft bed strikes a streamlined silhouette with a headboard, footboard, and matching guard rail.16 secured heavy-duty metal slats that provide ample support, stability and air circulation for the mattress (no foundation or box spring needed). Rounding out the design, the raised base creates 31.9" of under-bed space to accommodate the included rolling desk for a perfect study area. Overall Product Dimension: 78.7"L x 41.9"W x 46.2"HOverall Product Weight: 85LBSWeight Capacity: Loft Bed: 200LBS Desk: 100LBSRecommended Mattress Thickness: Loft Bed: 6"Number of Slats: Loft bed: 16 One desk, 2 Shelves for accommodating your kids or any overnight sleepers 16 secured heavy-duty metal slats that provide ample support, stability and air circulation for the mattress (no foundation or box spring needed). Two built bookshelves double as a ladder to let you access the loft bed with ease. It features a full-length guardrail, and 16 secured heavy-duty metal slats for added security. (no foundation or box spring needed).