These glass canisters are made from clear high grade borosilicate glass with a natural acacia wood lid. The wooden lids have a built in a food grade silicone sealing ring that is airtight to keep food fresh and dry. The glass storage jars are lead and BPA free, great for storing dry foods, such as coffee beans, nuts, candy or cookies. Super versatile, suitable for your kitchen counters, cabinets, bathroom vanity, office desk and more.