This 3-Part Herb Grinder by Grasscity is just what you need for grinding on the go. It's lightweight, durable, and fits into backpacks and purses. It has pyramid-shaped teeth that effortlessly crush and grind your herb into the perfect rolling consistency every time you use it.  There's a stash box under the lid to store your leftover herb, papers, filter tips, or anything else that will fit. The magnetic closure ensures the grinder stays together when not in use. This black acrylic grinder sports a Grasscity logo on the lid. It's discreet, easy to use and clean.