Teach your child to sip from a straw with the OXO Tot Straw Cup. Simply twist the lid to reveal the soft silicone straw. Twist the lid back to conceal the Straw, keep it clean and prevent spills. Straw Cup has non slip grip and is translucent to show just how much is left. The two part Straw disassembles for cleaning and is easy to reinsert. 15 ounce capacity makes it ideal for sipping at home or on the go. All OXO Tot Sippy, Straw and Training Cup lids are interchangeable. Top rack dishwasher safe.