LEAKPROOF & REUSABLE - Misichao stainless steel food container is made of food-grade 304 stainless steel, sturdy and rust-resistant. The BPA-FREE airtight silicone seal means you can use them for a food container without odours and air, getting in or out! The tight-sealing lock in freshness and prevent spills or leaks, keeping food fresh in the refrigerator, freezer, or on the go. EASY TO CARE - It's safe to wash the lids on the top floor of the dishwasher, but high temperatures over a long period of time can deform the silicone sealing strip at the edge of the lid. Please wash the lids by hand as much as possible. And are safe for the oven(without lids), fridge and freezer. Not to be used in a microwave oven. MEAL PREP CONTAINERS REUSABLE - The rectangular containers are versatile to meet your everyday food storage needs, ideal for meal prepping, packing lunches, storing snacks, leftovers, preparing the salad, fresh ingredients, packing lunch to office/school, and food on the go. Perfect for prep meals at home and bringing them to work, school or the gym, travel and more. UPGRADE YOUR KITCHEN STORAGE - Featuring a space-saving design, these kitchen storage containers can be stacked perfectly to one another to save space and stay organized in the fridge or cabinet and nest inside each other and save crucial space when not in use, expanding the storage capacity of the pantry. PACKAGE LIST - 4 x 650ml (22oz) Airtight Food Storage Containers. From food storage containers to lunch containers, our pantry food container with lid can be used for everything that you need! Leak-proof and Eco-friendly food prep containers will make your life better. TO VALUED CUSTOMERS: We appreciate your support for our eco-friendly packaging design. Here’s how to open them effortlessly: Focus on the Edges: Instead of pulling straight apart, alternate pressure around the edges (like "peeling" the containers apart) to break the suction gradually. If you need further help, contact us anytime—we’re happy to assist!