Advanced double-vent system to reduce colic. Five different flow rates for every age. Extra soft – as soft as skin. Breast-like, easy latch-on nipple. Medical-grade silicone nipple protects from latex allergens. Designed for nanobébé feeding bottles. BPA free. Made in China. Anti-Colic: Features an advanced 360° anti-colic system that relieves air pressure to prevent gas so baby is fed and happy. Extra Soft & Familiar: Designed with a mom-like shape and natural feel that helps baby easily latch to the nipple. They help prevent nipple confusion and are perfect for babies transitioning from breastfeeding to bottle feeding. Baby-Safe, Non-Toxic: Made from the food grade silicone to protect from latex allergens and are 100% BPA-free. Durable & Easy to Clean: Leak-free and dishwasher safe design (top rack only).