The Bunk Bed B-540 (Single/Single) is a metal bunk bed with a black finish, designed for space-saving and durability. It features a steel frame, integrated mattress support, and a weight capacity of 250 lbs per bunk. The bed measures 77 inches in length, 41 inches in width, and 65 inches in height, according to meubleloren.com. 
Key Specs:
Type: Single/Single (Twin over Twin).
Material: Steel frame.
Finish: Black.
Dimensions: 77″L x 41″W x 65″H.
Weight Capacity: 250 lbs per bunk.
Mattress Support: Includes mattress support.
Box Spring: Not required.
Mattress: Mattresses not included.