4+ months. Water filled to relax and soothe. Promotes coordination & movement. Back teeth. Cools, calms & massages gums. Helps promote baby's development. Colors & designs develop sense of sight. The MAM Principle: Parents are demanding. At MAM, we are too. That's why, for over 40 years, we have worked with medical and research experts to develop products that are unique in function and design. MAM products support the individual development of every child and make everyday life easier for babies. For soothing relief MAM designers have developed a teether that not only cools, but also looks cool. The cooler massages, relaxes and soothes while baby develops sight and coordination. Water Filled Cooling Element: Unique shape reaches back teeth perfectly. Cools & calms tender gums. Ring Handle: Curved shape is easy to grab & hold. 5 Textures: Massage sensitive gums. Developed with Medical Experts: Teamwork with medical experts for maximum safety. Only after approval by medical experts is a MAM innovation ready for baby life. Instructions inside. Please keep instructions for future use. BPA BPS free (BPA/BPS free: All MAM products are made from materials free of BPA and BPS). CE listed. The teether meets the requirements of EN71. mambaby.com. For more information please contact: MAM USA Corporation 2700 Westchester Avenue, Suite 315 Purchase, NY 10577. Toll Free: 866-949-1174. Designed in Europe. Made in Thailand.