The Nuby thirsty kids easi-flo pop up super slurp was designed with a free flow, pop-up spout for natural, easy drinking like a big kid! The water bottle is made of extra strong with crystal clear Triton from Eastman. The water bottle is ideal for kids on the go! When you push the Pop up spout down the water bottle is no Spill. You will receive one of the follow colors: Blue, green, pink, purple, Red, or gray.