Easy to clean and it is not recommended to wash by dishwasher. Notice that do not pour boiling water and items with too high temperature directly into the jar. Wide mouth design, convenient for you to access your items.Plastic lids and liner inner provide a tight seal to prevent leaking,so it’s also suitable to store liquid items. Great containers for Home, kitchen, pantry. You can use to store dry foods, coffee beans, powder, salt, sugar, peanut butter, honey, cookie, jam, snacks, bath salt, cosmetic and lotion. These jars are made of BPA FREE & food grade materials.They are safe, reliable, durable and reusable, don't worry about harmful of toxins. Package Include:Bulk sell of 48 pack 4 oz high quality clear jars with mouth diameter in 68mm,1 chalk pen and 120 labels for marking.