With streamlined shape for babies little hands to grip comfortably. Easy mix the milk powder with warm water using both hands twisting the bottle vertically. Complete with 2 pieces of silicone teats, sipper spout, hood, screw cap and disc. Made of high quality food-grade polypropylene. Non-toxic, unbreakable and heat resistant to 120oC. Smooth internal reck, no sharp edges and no germ traps.