Twin Beds with Trundle Low.
In addition, you measure how much you want the platform to be. Attach the screws to each of the corners and between 1-2 meters apart from each other along the frame. The boxes should have a bottom piece and four sides.

Twin Beds With Trundle Black

Twin Beds With Trundle Brown

Twin Beds With Trundle Metal

Twin Beds With Trundle Nice

Twin Beds With Trundle Storage

Twin Beds With Trundle White

Twin Beds With Trundle Wonderful

Twin Beds With Trundle Yellow