- Food-grade Quality: Crafted from high-quality, food-grade PET material, this refrigerator storage box is 100% BPA-free, ensuring safety for your food. Enjoy peace of mind knowing there are no harmful substances, and take advantage of its excellent low-temperature resistance. Note: Not suitable for microwave, oven, or dishwasher use. - Freshness Preservation: Each fridge organizer features a secure lid that keeps dust out, preserves food freshness longer, and prevents odors from spreading. The integrated drainage holes at the bottom help maintain the cleanliness and crispness of fruits and vegetables. - Efficient Space-Saving: The stackable design maximizes your fridge space without the risk of sliding or tipping over. The transparent structure allows you to see your food clearly, avoiding the need to rummage through cluttered shelves. Perfect for organizing and decluttering your refrigerator. - Versatile Organizer Set: This set includes one large box (5700ML), two medium boxes (1500ML each), and four small boxes (470ML each). Sizes are: Large - 30 x 20 x 9.8cm; Medium - 26.5 x 9 x 8.5cm; Small - 12.3 x 7.5 x 7cm. Ideal for storing everything from deli meats and cheeses to fruits, vegetables, and snacks. - Practical Applications: Use these organizers to maintain a tidy fridge, keep meal prep ingredients easily accessible, or store leftovers in an orderly manner. Perfect for families, meal preppers, and busy individuals looking to streamline their kitchen organization.