Camelback Podium Chill bottle. The Dirt series has a cover over the spout so that dirt and sand do not get on it. This is made of 100% BPA BPS and BPF-free plastic. The bottle is designed for easy cleaning and to fit in most bottle holders. It has a Jet Valve that is leak free and has Easy Squeeze. The bottle has double sides, so it keeps the water cold longer. 620 ml. Standard diameter 74 mm fits virtually all bottle holders.