- BPA Free and Dishwasher Safe: Made from high-quality borosilicate glass, our containers resist temperatures from -20 °C to 300 °C. They are BPA free and food safe, suitable for use in the dishwasher, microwave, and refrigerator. - Space-Saving Design: This set includes 4 stackable square oatmeal cups and 4 colorful plastic lids (green, blue, pink, yellow). The stackable design helps maximize your cabinet space, keeping your kitchen organized. - Airtight and Leak Proof: Each 1L glass container features a silicone ring and vent valve design, ensuring a leak-proof seal to prevent spills. Our airtight construction keeps your food fresh, so you can enjoy your meals without worry. - Versatile Meal Prep Solution: Ideal for meal prepping, these glass bowls can store a variety of foods including baby food, salads, soups, oatmeal, yogurt, fruits, and party snacks. Perfect for use at the gym, office, picnics, or college dorms, these containers are a practical addition to any household. - Durable and Reliable: Constructed from sturdy borosilicate glass, these containers are designed for longevity and performance, making them a dependable choice for everyday use.