This RYOT SmellSafe Hardshell Case from the Pack & Protect series is a patented zippered clamshell case with a rigid exterior. The case utilizes an activated carbon absorption technology (SmellSafe) that blocks unwanted odors from escaping. Made for holding small to large size hand pipes. The memory style foam on the inside cradles and protects your pipe. After you close the case up, the zipper can be secured with a lock (not included).