Plastic | | ???High Quality Material?The Magnetic Refrigerator Organizer Is Made Of Lightweight And High Quality Pp Material, Durable, Sturdy And Very Practical. Not Only Increase The Storage Capacity, But Also Effectively Utilize The Vertical Space On The Side Of The Refrigerator. | | ???Powerful Magnet?No Need To Drill Or Assemble The Powerful Magnet On The Back Of The Magnetic Shelf For Fridge, Don'T Worry About Your Magnetic Spice Racks Falling Off, These Side Refrigerator Storage Racks Have Strong Magnetism And Can Be Securely Attached To The Side Of The Refrigerator Or Other Iron Surfaces. | | ???Space Organizer?The Large And Medium Size Magnetic Shelves Has A Divider Inside, You Can Adjust The Size Of The Organizer As Needed. The Magnetic Refrigerator Organizer Is A Great Helper. It Saves Valuable Countertop/Cabinet Space And Keeps Them Free From Clutter. Make Your Kitchen Neater And Prettier And You'Ll Be Able To Find The Spices You Want In No Time! | | You Want In No .