【Selected Material & Sturdy Structure】Composed of solid pine wood and premium plywood, this twin bunk bed has strong durability and stability, it's capacity of holding up to 500 lbs in total. There are 8 widened slats which evenly support the mattress, it keeps the mattress breathable for comfortable sleep. No box spring is required. 【Interchangeable Ladder & Slide for Fun Play】This twin over twin bunk bed features low slide and stair for your kids to climb and slide, adding extra fun and developing their sense of balance and coordination. In addition, the slide and the ladder are interchangeable, both of them can be installed left or right according to your preferences or room layout. 【Space-Saving Loft-style Design】This compact floor bunk bed fully utilizes vertical space to fit in small room, which will be a perfect choice for a growing family. This modern bunk bed is available in multiple colors, which can match well with any room style and will be the perfect complement to children's room or play room.