Adiri NxGen Nurser Nipple (Singles)The Adiri NxGen Nipple is made of the highest Medical Grade Silicone, fine-tuned by advice from practitioners, scientists, lactation consultants, cutting edge designers, engineers and most important of all, moms.The shape and feel was resulted from what babies want most out of a nipple, the suppleness and softness of a mother"s breast. There is nothing more natural and important than a mother"s connection with her child, which is what Adiri strives for with the NxGen Nipple.Features:Stage 1 [3-6 M]Dishwasher safe (top rack only)Microwave safeTotally BPA FreeSoft Breastlike Medical Grade Silicone NippleDesign allows for use with all other Adiri NxGen Nipple sizes (5.5 oz and 9.5 oz)Supports an easy transition from Mother"s breast to bottle