▶Borosilicate Glass ▶Heat resistant and easy to clean ▶BPA-Free Polypropylene Lids with Silicone Seal It can be used in different situations to meet your everyday needs. Help You Save Money & Time by Cooking at Home. • Are perfect for eating at the office or on the go • Allow you to better organize and control your meals • Make food warming or freezing as easy as possible • Encourage you to eat healthier food and keep your diet plan21