This bed frame is composed of a twin-over-twin bunk bed and a rolling trundle.   They are all made of solid wood and high-grade MDF so the whole bed frame presents perfect sturdiness. Meanwhile the upper twin bed comes with a 12.5" full-length guardrail to prevent kids from falling. On one side there is a 15.5" wide 3-step staircase. Underneath there are two open compartments for books and decorations. At bottom the bunk bed has a rolling drawer for clothes. With these features your kid's bedroom will become much tidier. Finally there is no need for a box spring and the whole product will be delivered in two boxes.   If you are looking for a bunk bed like this please do not hesitate to place an order!   Includes a twin bunk bed and a rolling trundle in total Made of premium solid wood and MDF for good sturdiness Wooden slats provide adequate support for stable sleeping Stable PV wheels at bottom for convenient pulling Features open compartments and a rolling drawer to keep tidy 12.5" guardrail better protects children when they roll over Wide staircase offers sufficient room for movement Quick and simple assembly thanks to the detailed manual There is no need for an extra box spring The entire product will be delivered in two boxes