1. Overnight Oats Jars Set: This set of mason jars with screw lids comes in a convenient pack of 4. Each glass is approx. Up to 250ml. With their four different coloured lids, they are attractive and an ideal gift for family and friends. 2. Jars Our mason jars are made of high quality thickened glass, which is durable, reusable and environmentally friendly. The transparent material allows you to see the contents clearly. In addition, the glasses are heatresistant and dishwasher 3. Exquisite Lid Design The lids of the mason jars are made of food grade PP material. The thick design ensures and durability without rusting. The inside of the lid is sealed with silicone to ensure a tight seal and prevent leaks and spills. Wide opening makes filling and cleaning easier. 4. s These glass jars are perfect for storing foods such as oatmeal, yogurt and salads, as well as liquid foods such as salad dressings, jams, jellies, hot sauces and honey. They are also great for dry goods such as coffee beans, spices, nuts, candies and cookies.