:H2O and go! Get the cup that keeps up with your little one – the spill-proof Dr. Brown’s Milestones Insulated Straw Cup with sliding lid. :Built for little hands, the Insulated Straw Cup is lightweight with handles that lock in place for easy grip. Remove the handles as baby grows for more developed sipping! :A soft silicone straw teaches sipping skills, while a sliding lid keeps the straw clean and liquid in the cup when not in use. The double-wall construction keeps drinks fresh while on the go. :Available in a variety of playful patterns and dark blue, green and pink colors, all with simple assembly and disassembly. Dishwasher (top rack) and sterilizer safe. :10 oz/300 ml. BPA free. 12m+.