Smooth Transition: This Easy-To-Hold Sippy Cup Features Handles That Help Your Baby Keep A Firm Grip And A Right-Sized Silicone Spout Designed To Help Make The Transition From Bottle To Cup Smoother. Proper Oral Development: The Shape Of The Soft Silicone Spout Is Designed For Your Baby'S Developing Teeth. Spill Proof: The Cup'S Design Prevents Spills To Helps Keep Drinks Inside The Cup And Off Of Your Little One. Drop Guard: The Sippy Cup Lid Has A Drop Guard Bumper To Help Prevent Breakage. Easy-To-Clean: The Cup Is Top Rack Dishwasher Safe, So Keeping It Clean Is Simple