Easy Transition To Cup – Develops Baby’S Sipping Action By Keeping That Soft Familiar Feel When Transitioning From Bottle To Cup,Leakproof, Bite Resistant, Soft Silicone Spout – The Soft Silicone Spout Is Gentle On Gums But Tough Enough To Withstand Those Little Bites. Plus, Our Funky Leakproof Cap Prevents Spills On The Go,Dentist Recommended – Free Flow Cups Are Easy To Drink From That’S Why They Are Recommended By Dentists,Cute Character Leakproof Cap – Pop This Cup In Your Bag And Keep Everything Clean And Spill Free With The Cute Character Lid.