Sip smarter. Designed to help you stay hydrated all day long, this water bottle will be your constant companion no matter where your day takes you. An on-the-go flow valve?, hassle-free dust cover, and soft pivoting handle make it easier than ever to ?bring along on a day hike or toss in your cupholder before you hit the road. Cup Type: Water Bottle; Interior Volume Capacity: 32 oz; Material(s): Plastic; Material Type: Plastic.