Made of natural bamboo lid, food grade silicone ring, high borosilicate glass, hygienic and non-toxic, keep dry and seal. The ring can be removable for cleaning. Storage jars are crafted from high-quality lead-free glass, they offer a clear, polished base that is perfectly contrasted by a natural wood lid. See-through glass jars make it easy to view contents at a glance. These kitchen canisters are stackable for space-saving storage when necessary and help prevent cabinet clutter. , , High quality bamboo wood lids with a silicone airtight seal and high clarity transparent borosilicate glass which offers greater temperature resistance for long-lasting use. Great for storing cookies, sugar, flour, spices, and other kitchen staples. Great storage canisters to store smaller items in any room - use in bathrooms to store cosmetics / cotton swabs / pads, organize your smaller arts and crafts items, or even as simple catch all storage in your bedroom.