Custom Trundle Bed.
Platform bed get their name from the trundles, another name for the caster, which is used to move them back and forth. There is a specially designed innerspring mattress is the right thickness and can be used either in bed or pull-out bed. Twin size mattress almost all should work with the platform bed, but it can depend on the individual frame of your bed.
Cool Trundle Bed
Decoration Trundle Bed
Elegant Trundle Bed
Grey Trundle Bed
Iron Trundle Bed
Large Trundle Bed
White Trundle Bed
Wonderful Trundle Bed