Polyester Blend Twin over Full Bunk Bed Exceeds Federal Standards for Strength; Lead-Free, Solid Post Construction with Mortise and tenon joinery; Full and 3/4 guard rails on upper bunk Made to Grow with your Family! Bunks can easily convert into 1 Twin Bed and 1 Full Bed; Full size trundle rolls easily on wheels and can be place on either side of the bed; Trundle accommodates up to an 8" Full size mattress Mattresses supported by 14-piece slat kit; Accepts up to a 9 In. mattress Clip on ladder, with four steel connectors to reinforce strength, can be set up on either end of the bunk; Includes Charger with 6-foot cord, ETL listed, 18GA wire, 2 USB Ports .5V/3.5A WEIGHT CAPACITY - Bottom Bunk: 600 lbs; Top Bunk: 400 lbs; ASSEMBLED DIMENSIONS: 80.5"L x 58.38"W x 68.125"H