Mimic the natural feel of mom for a comfortable feeding experience with the Optimal Mamilla Silicone Nipple. KEY FEATURES: ‣ Super-soft nipple mimics the shape and texture of a breast for a natural latch. ‣ Made from 100% food-grade silicone, free from BPA, PVC, and phthalates for complete safety. ‣ Anti-colic valve minimizes air intake, reducing gas and fussiness.