SQUEAK is the little brother to PIP, perfect for smaller hands or compartments. SQUEAK is made with BPA-free plastic that is both lightweight and durable, holds 12 oz. of your favorite beverage and has an easy-to-carry loop to take with you wherever you go. Features a flip open, easy-to-drink spout and a wide mouth to infuse your water with your choice of fruit or lemon slices. Flip, sip and refresh.