When drinking, the Touch Flo straw valve requires a squeeze and suck action to allow the liquid to flow, the valve enables the no-spill feature.
**Dr. Grace Yum, a certified pediatric dentist, recommends soft silicone spouts and straws to help protect children's teeth
*Based partly on industry data
Allowing your child to use this product for prolonged periods separate from regular meal times or to go to sleep while drinking liquids other than water, from this sippy cup may cause or contribute to early childhood tooth decay. Always use this product with adult supervision.