Learning to Drink Out Of An Open Cup is An Important Developmental Milestone, The Tiny Cup Helps Baby Transition From Bottle to Cup. Open Cup Drinking Supports Healthy Oral Speech Development, Aids Teething, Helps Baby Learn to Have A Strong Swallow Can Decrease tooth Decay.A Benefits Features Designed to Fit BabyaS Mouth Hssoft Silicone Protects Baby'S Developing Teeth Non-Slip Silicone Grip Makes Movements to The Mouth More Successfula Interior Angle Provides Even Flow For Safe Drinking. Weighted Base Tactile Bumps Provide topple Resistance Safe to Use Cold, Warm Hot Foods Liquids