Sofa Storage Box, 34", DeepRB Components NEW Under sofa Storage Box When every cubic inch of space needs to be maximized for efficiency, use these durable lightweight storage boxes underneath your wall mount folding furniture. Each box includes mounting tabs for folding furniture. This allows the sofa sleeper or folding bench seat to mount to the box, instead of the wall. Simply un bolt the standard wall mount brackets that come on the furniture and use the supplied hardware to