The Elite K-9 Inc. Ultra Scent Detection Cases are made from an ultra high impact reinforced nylon material, stainless hinge pins and have a silicon rubber O-ring to make the cases airtight and waterproof. The cases have a provision that allows users to place two padlocks on the case if needed. The cases come with airtight scent jars and a complete set of training aid labels (15 explosives labels and 9 narcotic labels) and are available in a 12-jar case.