TherMax® double wall vacuum insulation keeps beverages cold for up to 6 hours - for cold contents only. The spill-proof valve prevents messes and is easy-to-clean. The unbreakable stainless steel interior and exterior withstands daily wear and tear and makes this Thermos Foogo sippy cup as kid-proof as possible!

The Thermos Foogo Sippy cup has been shown to inhibit the growth of bacteria in laboratory tests performed at Cornell University. You can be confident that you are giving your child the very best.