Many parents love u003ca href=u0022http://amzn.to/2mmtLMAu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003ethis no-leak cupu003c/au003e from Replay Recycled, which is made from recycled plastic milk containers. Honestly, almost every cup we've tried leaks at least a little bit when turned upside down, so it's a tough thing to promise. The Munchkin 360 cup is a good option too.