Hakuna stash jars are made of high quality glass and the bamboo top holds shut with an o-ring to help keep smell and freshness. The jars can hold herb, spices, jewelry, office supplies or anything else you need! Plus you can shop confidently knowing that every one of Hakuna Supply products are backed by their problem-free philosophy. So if you ever have any problems just let us know and we will take care of it! Storage in style with our premium-quality BAMBOO STORAGE JARS. Hakuna storage jars feature premium non-toxic glass with laser engraved Bamboo lids. Every jar includes a special O-Ring engineered to seal air-tight. These premium storage jars are available in five sizes: Extra Small (1 Gram) Small (1/8 oz. capacity), Medium (1/4 oz. capacity) Large, (1/2 oz. capacity) and Extra Large (1 oz Capacity). All storage jars are covered with our “No Worries Guarantee.”