The Rev-A-Shelf RV-KD Series is a very cost effective Double 27 Quart Waste Container Unit - Manufactured with a sturdy chrome wire support structure. Features: Full-Extension Ball Bearing Slides, Easy 4 Screw, Bottom Mount Installation. Includes: 2 - Black Containers. Ships unassembled to help alleviate excessive shipping charges. Matching Silver Door Mount Kit - Sold Seperately