You can also use it to store dried flowers, bath salts, essential oil etc. These empty glass jars can be widely applied to making soy candles and DIY Cosmetics, or storing DIY ointments, creams, salves, salt, balms, samples, tea, beads, herbs etc. to meet your needs. Premium quality thick glass, strong, heat resistance, dishwasher & microwave safe. It can be put into the oven and freezer when take off the lids. Our products have been inspected by a reputable third party inspection company. Each product has been checked. Don't forget to buy this as a PERFECT GIFT for your family & friends.