The GT4 by Dragon Chewer is the latest and greatest in the world of multi functional packaging. The Grinding function of the GT4 is unrivaled and allows ultimate control over the consistency of the material being shredded. The GT4 is sleek, child resistant and very strong. Dragon Chewer LLC is the original creator of the Container/Grinder combination. Patents available at dragonchewer.com Each order comes with one 1½ ounce black and clear mylar smell proof bag. The stash bag is perfect to hold additional product while you use the GT4. Our mylar bags are 4MIL thick and CPSC certified child resistant. We guarantee a great grind or we will refund your order.