0-6 months. New. Clean in microwave with reusable case. Accepted by 95% of babies (Based on Market Research, 2017, tested with 307 pacifier users). No nipple confusion (Based on Market Research, 2017, tested with 307 pacifier users). Recommended by moms (Based on Market Research, 2017, tested with 307 pacifier users). Improved NUK shape. 1. 8% Flatter - More room for natural sucking motion. 2. 23% Slimmer - Reduces pressure on jaw and teeth. 3. 9% Narrower - Helps prevent teeth misalignment. Microwavable storage case for easy cleaning. 4 Minutes - 700 up to 1250 W. DisneyBaby.com. nuk-usa.com. nuk-canada.ca. Discover the magic on DisneyBaby.com. BPA free. Made in USA.