Mainstays Clear Tumbler: Perfect for drinks on the go. Made of tough, translucent, BPA-free plastic to easily track your intake. Handy straw makes sipping easy at the gym, during hikes, or at events. Durable 20 oz size keeps you hydrated for hours. Clear design helps you see when to refill and makes cleaning a breeze. Ideal for busy lives and staying hydrated anywhere. Great for parties, picnics, or daily use. This versatile tumbler helps you stay healthy and hydrated.