Material Alloy Steel Color Black Number of Shelves 2 Mounting Type Under Sink Recommended Uses For Product Dishware About this item ?Slide In Out Smoothly?: The under sink organizer has 2 ball bearing tracks, which makes getting items out so smooth, quite, convenient and effortless. Even heavy items can be easily pulled out. The bottom drawer can go both directions, top self can not. ?Metal Construction?: This under kitchen sink organizer is made of metal, which is very durable. ?Height-adjust Design?: The top shelf of under sink storage has a hook system and can be adjusted according to your needs. ?Space Saver Time Saver?: This under sink self can keep everything neatly in it's place, and frees up additional space by allowing you to stack items on the second tier. Don?t have to take out everything to reach one bottle, and just find everything you need at a glance. ?Hold a Lot of Stuff?: The bathroom organizers and storage is large capacity and heavy load. It holds a surprising amount of cleaners (such as: big windex bottle, stove clean, bleach wipes, kitchen gloves, sink drain plugs, bottle brushes, dishwasher tabs, and a big roll of garbage bags.)