?Feature 1:Everyday kitchen foodsavers, kids lunch boxes or even for carrying meal components separately as a substitute bento box! Perfect for portion control meal prep and a great alternative to Tupperware,All our containers have snap lock lids / covers for a leak proof, watertight seal, keeping delicate foods fresh and contained;?Feature 2:Food grade plastic containers that are BPA free and safe to microwave, freeze, and use in the dishwasher (top shelf) over and over;?Feature 3:NEW FOOD GRADE PP MATERIAL, MORE TRANSPARENT, MORE SAFETY.Each airtight lunch box containers is made high-grade plastic injected molding to ensure maximum durability, flexibility and minimal cracks to prevent damage common among other competing products;?Feature 4:Designed especially for Freezing, capable of withstanding temperature to (-40 degrees ) for extended periods of time;?WARRANTY: If the item do not meet your need, our customer service are free-hassle for you to resolve your issue with the Containers