HERBWARE | Mason Jar 2-IN-1 Herb GrinderFits regular mouth jars Food safe Dishwasher safe Grinder doubles as an airtight lid for mason jars to lock in freshness and smell Add buds to grinder and effortlessly twist The high quality material makes the chambers open smoothly and easily, the teeth will always stay sharp and it will be easy to cleans So sharp, a few twists is all it takes Magnets conveniently hold pieces in place reducing spills