Polystyrene | | Made In Usa And Imported | | It'S Like Getting A Bigger Refrigerator: Stop Searching For Leftovers And Snacks In Your Unorganized Refrigerator. Use Space That Normally Goes To Waste With These Organizers. Store Is An Easy Clutter-Free Organization. It Is The Best Refrigerator Shelf And Organizer | | Installs In 2 Minutes No Tools Needed: Just Attach To The Bottom Of Your Refrigerator Shelf. Peel, Stick, And Slide. It'S That Simple. Store Is Also Simple To Unmount. Requires A Flat Underside Of Your Refrigerator Shelving With Space Of 7" Wide By 7" Deep With A Full Depth Of 11" In Your Refrigerator. | | Have Snacks And Lunches Waiting For The Kids: Easy To See And Easy To Access. Kids Will Have A Clear View Of The Snacks And Lunches You Have Waiting For Them. Slide-Out The Extension Track And They Can See Everything Waiting For Them. Simple To Grab Food That Would Have Gone To Waste. | | Holds Up To 20 Pounds: 12 Slots For Holding Assorted Quart.