The RYOT Walnut Wood Top GR8TR with matte black jar features the classic grinder design and a sealable glass jar to create a complete storage system. This innovative design allows quick access to your herb all while preserving freshness with a silicone seal. Interchange the top grinding section with any RYOT glass jar to keep your blends separated, enhancing your ability to “control your own”. Using the Kannastor GR8TR technology, the all wood grinder will ensure a traditional and easy grind every time. Dimensions: 3″ height x 2.5″ width / Capacity: 60ml