The recommended mattress for this bed is 90x190cm(3FT), with a thickness of 15cm or less.The bed base is supported by a sturdy cross iron frame and the bed is covered with 12 wooden bed slats to ensure durability and stability, which is essential for children's safety and comfort. The portable table lamp can be adjusted in colour and brightness to create a comfortable space for you to sleep at night, convenient for lighting and reading, and there are also 4 charging ports thoughtfully prepared at the head of the bed, including 3 Type-A and 1 Type-C, 5V / 2A. The thoughtfully designed built-in drawers offer ample space to tuck away clutter, freeing up valuable floor area and keeping your room clutter-free.