There are a lot of water bottles on Amazon ... stainless steel, glass, sports bottles, squeeze bottles ... however, you won't find anything like the 50 Strong Designer Reusable Hydration Tracker Water Bottle. It's unique, just like you! Stay hydrated in style while you sip from our 24 and 30-ounce premium printed water bottles. Made from BPA-Free, durable Tritan, these bottles will hold up to drops and are the perfect hydration companion for work, school or the gym. The printed marking on each bottle makes it this best seller the perfect fitness accessory. The design options are fun and unique and, at 50 Strong, we are committed to helping you reach your health and fitness goals.