Not sure whether to get the 250 ml or 500 ml jar? We have an easy answer to your dilemma, and it comes in the form of a sleek, powerful storage solution. Our 400 ml Classic Screw Top Wide Mouth Jar might not be your regular-sized jar, and yes, we have to admit, it’s far from your regular glassware. Made with ultraviolet glass technology, this airtight jar has the unique ability to let in rejuvenating rays to sanitize goods and prevent damaging light. Whatever you store inside this jar, it’s guaranteed to be fresh for a lot longer. • Airtight, smell-proof, & light-filtering: world's best ultraviolet glass jar with bpa-free plastic lid. • the perfect size and shape: a versatile container—great for herbs, spices, and cosmetics.