Slide-To-Side Modular Shelves is a compact high-density goods storage system. It has two rows of 5 or 7 shelves with special rails that can accept sheet metal shelves for loose parts-bins as well as allow mounting of hanging bins. Multple shelves allow faster picking of items from different shelves. Unique feature is that these shelves and hanging bins can be mounted flat or slant at an angle for ergonomic picking. This solution is low capex, quick returns, quick installable dense storage solution.