Sistema 550ml Tritan Ultra Round is great product for storing water. Cleaning the bottle becomes convenient. It keeps Food fresh and you safe! Known for its phthalate and Bpa-free plastic Sistema uses the best material and designs to create their products. Their products cater to a large group of people who rely on Food-safe quality products. .(1)Round, stackable, clear containers (2)Airtight seal screw-top lids(3)Made from Tritan plastic(3)Non-slip band provides an easy grip(4)18.6 ounce\/2.32 cup capacity(5)Premium quality Tritan plastic (6)Scratch-, break- and crack-resistant ,Impact resistant, phthalate- and BPA-free.,,,,