V-type learning sippy suitable for breastfed babies, if the baby does not accept, please replace it with straight sippy (No bite required). Recommend for babies over 6months. PPSU material bottle body, lightweight and drop resistant; Food-grade PP material straw is gentle on gums. The well-sealed sippy cup won't leak even if it falls off the dining table or stroller. Weighted Ball straw cups make it easy for kids to drink water in any comfortable position. Rinse with water before use. steam or boil for 1-2 minutes. Dishwasher safe. 1