For candle making or food storage container clear and frosted glass jars. Airtight Seal - The wooden lid has a liner, creating an airtight seal keeping air out, and the freshness of the food or product inside is preserved. Great for spices and herbs as well as tea and other liquids, this jar is totally leak-proof. Safe Package These jars are packaged in bubble bags with grid-shaped partition, and thick carton box to prevent damage in transport. Dishwasher Safe Thick Glass - Strong, dishwasher safe, high temperature resistance. Get 12 pack of our glass vessels for all your products.