Airtight VERSATILE & CUSTOMIZED DESIGN: With their clear design, these kitchen organizers and storage allow for easy identification of contents, eliminating the guesswork. Comes in a set of 20 clear plastic containers with 20 lids. Boxes of different sizes can hold various types of food to meet different kitchen storage needs SAFE AND THICKENED PLASTIC MATERIAL: Dedicated to developing superior kitchen organization for 15 years and which can protect safe for your health better. Our plastic storage containers with lids are made of upgraded food-grade polypropylene material.100% BPA free food storage plastic and reusable LONG-LASTING AND KEEP FRESH LONGER: Our food storage containers are equipped with a premium silicone seal and 4 Reinforced locking clips that ensure superior airtightness. These kitchen organizers are designed to be used in the freezer, refrigerator, microwaveremove the lid), and dishwasher, making them a versatile and you can keep your food fresh for longer UNI