Durable & Flexible Made of a heavy-duty, sturdy plastic that can withstand impact if dropped or knocked over. The pliable lid helps prevent cracking or breaking, making it the perfect water jug to take to the gym and carry with you throughout the day. BPA Free Reusable Plastic Bottles Gallon Gear Water Bottles are not dishwasher safe so they should be washed by hand as necessary. 1/2 gallon - 64 ounce - 1.9 liter capacity. Versatile The perfect water jug for anyone wishing to stay hydrated. Whether you are indoors, outdoors, a businessperson, or a bodybuilder GallonGear is right for you.