SAFETY IS OUR #1 PRIORITY: Our training cup with straw lid is made w high purity grade silicone. It is BPA, PVC, Lead & Phthalates free. Soft silicone reduces potential injury to developing gum & teeth, nurturing independence and accomplishment.GREAT FOR AGES 6 MONTHS TO 18 MONTHS: Our cup with straw lid is versatile. It can be used as a mini open cup for independent drinking or as a straw cup. It helps to reduce messy spillage and is perfect for all occasions whether at home or on the go.DESIGNED BY PEDIATRIC FEEDING EXPERTS: Wide weighted base adds stability and reduces messy spillage. Non-slip surface makes easy to hold for tiny hands and facilitates successful movements to the mouth, encouraging transition from bottle to open cup.INNOVATIVE DESIGN: See-thru silicone and easy-to-read indicator add measurement consistency for mixing and portion control. Baby can see what is inside the cup, reducing the anxiety associated with drinking out of a cup with unknown liquid.WHAT'S INCLUDED: 1 Olababy silicone training cup, 1 silicone straw + lid, 1 straw brush. Safe to use with cold, warm, hot liquids and solids. Easy to clean by hand or in a dishwasher. Microwave safe, freezer safe and heat safe up to 428F/ 220C.