[Super Magnetic Attraction: 4 Pack magnetic spice racks come with extra large magnetic strips on the back. Each spice rack can hold up to 7 lbs. "Easy to Clean and No Rust: The mesh bottom design makes it less likely to retain dust. In addition the surface has a waterproof coating so it wont rust even after long-term cleaning." Multi-Use Magnetic shelves: Can be used on all magnetic surfaces in your home and kitchen such as the side walls of your refrigerator oven microwave side of your washing machine etc. Space-saving: This spice rack is perfect for storing cluttered spice bottles and keeping your kitchen counters tidy. Movable: They can be easily removed when you want to move them for use elsewhere.]