Merax Wooden Daybed Extendable Bed with Trundle Bed, Can be Expanded from Twin Size to King Size Merax Extendable Bed rovides a spacious, comfortable sleep surface, valuable storage, and some transitional style.Merax Wooden Daybed is perfect for a multi-functional room or any guest space that requires some flexibility. This bed is perfect for youth, teens or adults. It works well where you need some space most of the time but also need flexibility for guests. The bed can remain extended if preferred.Not only does our day bed fit perfectly in any multi-function space, but it also has additional storage. Color: Espresso/White/Grey Size: Expandable from twin to King size Material: Plywood+MDF+Pinewood Weight Capacity: Trundle: 175lbs Bed: 275lbs Recommended Mattress Thickness: Upper Bed-- 4'' Trundle bed-- 4'' Number of Slats: 19+8 Dimensions: Overall product: 40"L x 79"W x 23.2"H Package: 80.51"L x 13.19"W x 7.68"H, 103.62lbs Wooden Daybed Great for a kids room, guest room, and living room This daybed features a sturdy high-quality solid wood construction for durability and strength, ensuring longevity. This daybed can be expanded from twin size to King size. This extendable sofa bed is a value conscious choice as it does not require a box spring or foundation. Just place your mattress on top and enjoy it. The simple yet elegant wood frame is sturdy and comes with wood slats for extra support. Built-in smoothly casters , easy for you to pull out of the trundle bed. No box spring needed. Number of Bed slats: 19+8 Overall Dimensions: 40"L x 79"W x 23.2"H. Extending Daybed with Trundle When the guests arrive, King size is the best choice