Once children have mastered the skill of drinking from the Tiny Cup, they are ready to drink more ounces of liquid at mealtime with the Mini Cup. 12 months - Portion Size: 4oz- Soft silicone protects toddler's developing gums teeth- Non-slip silicone grip makes movements to the mouth more successful - Interior angle provides even flow for safe drinking- Weighted base and tactile bumps provide topple resistance - Safe to use with cold, warm and hot foods and liquids- Made from high quality silicone that is BPA, BPS, PVC and phthalate free - Dishwasher and microwave safe