A set of 4 Focused K9 Magnetic Scent Pods™ with Scent Covers: These are the most durable hide boxes on the market! Extremely durable, strong, and a 12lb magnet embedded, so you can place a hide just about anywhere! They have the ability to hold four odor bottles, so you can imprint or hide on four odors at once! These are 100% compatible with all Focused K9 Odor Bowls™. This set of 4 allows you to hide around vehicles, buildings, and much more!