Twin Over Twin Bunk Bed with Pull-out Trundle and Ladder-EspressoShips in 2 package boxes which may be delivered separately The bunk bed can be separated into 2 beds and allows you to freely combine Solid pine wood frame ensures stability and durability for long term use Many wood slats ensure good support and extend mattress life Strong enough to bear large weight capability for stability Movable trundle design with 4 wheels to easily pull out and put in To prevent kids from falling with 12. 5" full length