Key Features - Efficient Space Usage - The upper and lower design maximizes space, providing ample resting areas while occupying minimal floor space. A 4-tiered bookshelf is included for organizing items and keeping the room tidy. Practical Separate Design - The bunk bed consists of three independent pieces - the twin platform bed, twin loft bed, and the bookcase. This flexibility allows you to combine them as needed, and the lower bed can be removed for additional space for a desk, chairs, or sofas. Stable Solid Construction - Constructed from natural wood and high-quality MDF, the bed has a sturdy build with a load capacity of up to 309 lbs for each bed and 204 lbs for the bookcase. Ensured High Security - The upper bed is equipped with a full-length guardrail (12.5" high) to prevent falls. Additionally, it can be securely attached to the wall with sturdy hardware for extra safety. Simple Assembly & Wide Application - Delivered in two boxes with clear assembly instructions, this bed is easy to set up and maintain. Its compact design makes it ideal for home or school dormitories. Specifications - Color - Dark Brown, White, Gray Materials - Wood, MDF, Engineered Wood Dimensions - Upper Bed Frame - 79.5" x 44" x 58.5" (L x W x H) Lower Bed Frame - 79.5" x 42" x 23.5" (L x W x H) Bookcase - 38" x 12" x 42.5" (L x W x H) Recommended Mattress Size - 39" x 75" (L x W) Load Capacity - Each Bed - 309 lbs Bookcase - 204 lbs (per shelf) Net Weight - 146.5 lbs