The Safety Jar Nearly indestructible air-tight aluminium case for storage of all your legal smoking blends and legal pills or powders. Watertight to over 100 feet. A thick rubber o-ring seals tightly to ensure no air leaks in, or scent out. Not even a sniffer dog could smell anything inside the Safety Jar. Nearly indestructible air-tight aluminum case for storage of all your legal smoking blends. Watertight to over 100 feet. A thick rubber o-ring seals tightly to ensure no air leaks in... or scent out. Dimensions: 1.5" Diameter x 4" High Nearly indestructible air-tight aluminum case for storage of all your legal smoking blends. Watertight to over 100 feet. A thick rubber o-ring seals tightly to ensure no air leaks in... or scent out. Same as our 4" model only smaller to take up less room in your pocket. Dimensions: 1.5" Diameter x 2" High