The Simple Modern Tritan Summit Water Bottle with Simple Flip Silicone Straw Lid in Malibu is the perfect addition to your drinkware collection. This BPA-free water bottle is made with Tritan? from Eastman durable to keep you hydrated throughout the day. This 64 fluid ounce option is a great lightweight pastic vessel option for staying hydrated on the go. Choose from a variety of sizes and colors.