No leaks and all play. As your child becomes more active at ages 12 months and up these insulated cups are designed for versatility and ensure that drinks remain cool and fresh twice as long* whether playing indoors or out! Playtex Sipsters Stage 3 Straw Sippy Cups have DOUBLE WALLED INSULATION keeping drinks cool twice as long (twice as long as a regular single walled cup) as a regular cup making them great for active little ones. All Playtex Cups come with our LEAK PROOF GUARANTEE - if not completely satisfied return for a full refund of purchase price or replacement. The STREAMLINED ERGONOMIC DESIGN of Stage 3 cups make it easy for little hands to hold. Stage 3 Cups are for CHILDREN AGES 12 MONTHS and up with a 9 ounce size. Always BPA FREE. Colors and patterns may vary.