From the ManufacturerThe Freelance Glass Jar Canisters offer a healthy and easy way to store food or tidy up and organize your kitchen cooking ingredients. Clear and easy to access storage for dry foods flours snacks or spices and seasonings. The jars are constructed of durable food grade and resistant borosilicate glass with a beautiful lid and silicone airtight ring. We offer 4 different sizes with capacity ranging from 400 to 1000ml for multipurpose use. Bring joy to your cooking and baking experiences by having everything organized accessible and stored.Care Instructions:Dos1. Use directly over the flame in electric oven convection oven microwave oven fridge and freezer.2. When taking it off the flame place it on the cork trivet provided or any mat/coaster.3. Remove the lid before using in the oven microwave or over the flame.4. The glass bottle's body is dishwasher safe and can also be hand washed.5. Hand wash the lids and the silicon gaskets only. Do not sterilize them in hot water.Don’ts1. Do not put straight from flame to cold marble.2. Do not put the lid in the dishwasher fridge oven or microwave.3. Do not use abrasive cleaners or scourers to ensure scratch free surface.