The Sippy Cup is baby's first drinking training cup with a straw. This spout cup is the only training cup with a straw you'll need for children from 6 months to toddlers. The training cup is perfect for transitioning from bottle or breastfeeding to a cup and features side markings to show how much the baby is drinking. With the innovative weighted straw that moves with the liquid, your child can drink while standing, sitting, or lying down, regardless of the angle at which they hold the cup. The unique two-way valve allows for easy drinking without leaks or spills, and the flip-top lid locks in place for adventures on the go. The minimal parts make for easy and more hygienic cleaning. The cup is dishwasher and sterilizer safe.