LARGER CAPACITY & VARIETY OF SIZE: maximum capacity up to 6.3 cup (51.3 Oz), minimum capacity 1.3 cup (10.8 Oz); 20 pieces 10 sets includes 7 different sizes to meet your various storage needs; rectangular ones nest inside each other beautifully as do the squares and the lids for easy storage
PRIMIUM MATERIAL: Made of 0.8mm extra thick High Borosilicate Glass, the heat resistant is up to 750℉; With much higher chemical and thermal stability than normal borosilicate glass or pyrex glass, it can withstand an extreme temperature change up to 248℉(120℃)which makes it safe when heating directly from freezer into microwave / oven
FREE ICE PACK & QUALITY LIDS: Comes with a FREE ice pack to travel alongside your meal prep lunch containers; Keep foods secure while staying fresh and cool; lids fit perfectly to the container and are easy to open and lock even after millions of times of using; bento box container set are BPA-free and FDA certificated
100% LEAK-FREE & AIR TIGHT:100% airtight secure lid prevents food from oxidation and bacteria and locks in the freshness and flavor of food while keeping any liquids from spilling; Pack a full meal for long trips to the countryside or easily control your daily intake when dieting, convenient and healthier
EASY TO USE AND CLEAN: reusable food prep containers are safe to use in the oven, dishwasher, microwave, and freezer; crystal smooth Borosilicate Glass make it easier to clean than other plastic or steel glass containers; Do not put lids in oven when heating; Silicone sealing ring is removable for cleaning; One-year warranty and lifetime support provided by Zestkit