G.P.S. Magnetic 12-Gauge 5-Shot Shell Holder: * Expands the areas of storage on the inner walls or inside door of all metal gun cabinets * Our patent pending system has magnetic backing sewn directly into the back side of each modular storage item * Uses very strong magnets called "rare earth magnets" * They are approximately 5 times stronger than standard magnets * Shot shell holder * Limited 1-year manufacturer warranty