The Dr. Brown's Options+ Wide Neck Baby Bottle Nipple 6m+ natural Flow 2 pack is designed for babies aged 6 months and older. The wide nipple is made of silicone and offers a natural flow to mimic breastfeeding. This specific model, WN3201, is manufactured in Germany under the Dr. Brown's brand. The package includes 2 bottle nipples suitable for use with Dr. Brown's wide neck baby bottles.