This portable key storage device is made of sturdy, weather resistant, waterproof, soft vinyl. It's flexible design allows the key case to be easily rolled up for secure storage in your safe or to take home. Plastic safety hooks will not allow keys to accidentally fall off, will not pull off and will not puncture tires if driven over. Has a 30 key storage capacity. Grommets at the top allow it to be hung for easy access during operating hours. Convenient handle makes carrying a breeze! Size is 18" inches wide by 20" inches tall.