Dr. Brown's Milestones Cheers360 Transition Cup Dr. Brown's Milestones Cheers360 Transition Cup ($6) is made from BPA-free plastic. It has a 360-degree design that lets babies 6 months and up drink from any edge, a sip-and-see clear silicone valve that lets them see what's inside without spilling, and integrated handles for easy holding. Milestones Cheers360 Transition Cup $6 from buybuybaby.com Buy Now