Specifications Color: Grey/White Material: Solid wood, engineered wood, plywood Overall dimension: 79.5" x 45" x 80.5" (L x W x H) Recommended mattress thickness for upper bed: 6" (H) Load capacity for upper bed: 400 lbs Load capacity for trundle: 200 lbs Net weight: 89.5 lbs Key Features ● Lovely House Design: The twin size bed is designed with an adorable house shape which is relatively popular among children. Plus, you can buy a matching tent (not included) to cover the house bed. Then it is turned into a private game house which will definitely win kids' preference. ● Open Sleeping Zone: Added with a trundle, the house bed enables two kids to enjoy their own sleeping spaces and deepen friendship. Thanks to house shape, kids will have adequate sense of security. The trundle with casters creates extra sleep space when needed. ● Advanced Solid Wood Frame: To gain excellent sturdiness and using safety, the twin house bed features a firm construction made of premium solid wood. The load capacity of twin bed is 400 lbs and trundle's is 200 lbs. Whether as a platform bed, it will not wobble dangerously. ● Free to Decorate By Yourself: Without extra decorations or patterns, the entire 79.5" x 45" x 80.5" bed house is painted in a pure color, providing possibilities for your creativity. You can hang small decorations on the rails to build a distinctive bedroom. ● Note of House Bed: Accessories are provided, allowing for convenient assembly. The recommended mattress thickness for twin bed is 6" and thickness of mattress placed on trundle should lower than 6". With evenly located plywood slats, we are sure kids will sleep very stably.