Ultimate space saver, ideal for small bedrooms as it fits three standard twin size Mattresses (sold separately). side ladder can be assembled on either side. ludes 11. 5-Inch full-length guardrails on the top and Middle bed, secured metal slats and two built-in ladders to climb up and down. Maximum mattress Height for top and Middle bed is 6 inches. Ships in one box and it’s easy to assemble. Available in grey, white and black. Bunk bed dimensions: 78"L x 41. 5"W x 76. 5"H. Weight limit upper and middle bed: 200 lb. Weight Limit lower bed: 250 lb. . Shipping Dimensions: 82"L x 16. 5"W x 9. 5"H. Shipping Weight: 134 lb.