Thermos - Foogo Phases 10 oz Leak-Proof Stainless Steel Sippy Cup, Blue: * Phase 2 for children ages 12 months and up; hard spout resists teething wear; contoured body is easy to grip * Thermax double wall vacuum insulation keeps beverages cold and fresh for 10 hours; exterior stays condensation free * Kid-proof design: unbreakable stainless steel interior and exterior inhibits bacteria growth; leak proof valve prevents messes and is easy to clean * Interchangeable lid system * Stainless Steel, 10 oz sippy cup * 10 ounce capacity, hand wash/top shelf dishwasher safe * Blue with yellow accents