Learning to drink from a straw is an important developmental milestone that develops lip rounding and promotes speech development. The ezpz Mini Cup + Straw Training System teaches toddlers to drink from an open cup and safely learn to use a straw. Features: Features: -Designed to fit baby’s mouth and hands -Soft silicone protects baby's developing 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 -Portion Size: 4oz -100% Silicone (BPA, BPS, PVS, phthalate and latex free) -Dishwasher safe -Built to last (silicone will not wear, fade or corrode) -Rounded cover offers tactile price and stability -The opening of the straw supports more consistent liquids -Sensory bumps on the straw carry tactile awareness to activate lip rounding and decrease tongue sucking -Straw curvature promotes lip jaw closure for safe sipping Size: Cup :2,2 "x 2,2" x 2,5 " Lid : 1,4" x 2,1" Straw : 5.4" x 0,3"