Protect your babys sensitive gums with our super soft spout sippy cup its been perfectly designed to help baby progress from breast or bottle to their 1st tumbler each cup comes complete with the patented 2 in 1 non spill valve that gently regulates babys drinking action so the flow of liquid is always smooth and steady and without messy leaks and spills thats not it though every valve can be removed easily to convert your sippy cup to free flow the choice is yours the babys 1st t