Glass canisters are made of food-grade high borosilicate glass, nontoxic, lead-free and food-safe. Wood lids are made of premium genuine acacia wood, with silicone sealing ring, food-safe and stylish, featuring one-of-a-kind. With perfect air-tight silicone sealing ring, no food odor mixed anymore. The lid is made by a complete piece of acacia with no spliced. Polished into a sealed lid for food storage Jars. Each acacia wood lid owns a unique texture by nature. Keep food away from glue and bacteria to lead a healthy lifestyle.With 8 piece 8.5oz（250ml）the Round glass Jars are stackable. Also making it easy to keep the dry foods fresh and the pantry organized. The crystal clear feature of the glass containers and genuine acacia wood lids make it true to show off your personal art of home. Perfect item for gift as well.