• ★PPSU Safe Material：The baby bottles are made of Polyphenylsulfone(PPSU) with high transparency, heat resistance, and excellent durability. Which is light yellow with BPA and BPS free; Compared with the bottle made of PP, the PPSU baby bottle is much more sturdy, and can withstand higher temperatures
• ★Off-Centered Nipple：Compare with normal baby bottles, baby can easy to drink without bumping the nose, no need threw head back,which reduce to cause choking and vomiting; Easy to brew and wash with wide neck bottle
• ★Anti-Colic Baby Bottles： anti-colic design with breathable valve and Trachea helps reduce colic, gas, and spit up for greater comfort and fewer messes. A happy full tummy from air-free feeding is a sleep baby's best friend;
• ★Transition From Breast with Breast-Shaped Nipple：With a breast shapes,the nipples mimics the shape and feel of a breast to make babies have a sense of satisfaction and security to ease the transition from breast to bottle; Made of food-grade silicone, the nipples made tens of thousands of pulling experiments and can protect baby’s gums well;
• ★Easy to Wash & Assemble with Ultra Wide Neck Design： Be Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water.