Space-saving: The magnetic shelves for refrigerator – 2 large (internal depth 3-3/4") and 2 small shelves (internal depth 3-3/8") adhere to iron surfaces and create extra storage space without drilling Extra strong magnetic force: thanks to the powerful magnets (flux density: 700 gauss) and reinforced metal back panel, the shelves stick securely. One large shelf supports up to 4.5 kg, a small one holds up to 4 kg Versatile: The shelves adhere to e.g. B. Refrigerators for spices and microwaves for tins. They are also suitable for washing machine, oven, whiteboard or tool wall. Warning: only suitable for flat surfaces STRONG AND DURABLE: Thanks to the high quality powder coated steel, the shelves are stable, resilient and rust resistant. Even with long-term use, they remain dimensionally stable Stylish & practical: The front of the shelf with bamboo board is stylish and allows you to quickly grasp the contents. The slit holes at the bottom ensure optimal ventilation