This is a replacement part for Silva beds and replaces the slat roll included with the conversion kit or the full-size bed. Package contains 1 slat roll with 7 x 54" long slats made out of solid beechwood and banded together with a fabric line. First and last slat are pre-drilled to allow stretching the unit and securing it onto the Silva bed rails to prevent movement, the 4 screws are included. 

This part can be purchased and used with existing Silva bed rails and slats for additional support or to eliminate the need of a box spring.