Designed For The First Months Of A Newborn'S Lifeideal For Protecting Baby From Colic, Regurgitation And Irritation In Daily Feeding. High-Quality Glass: Pure Borosilicate Glass, Healthy And Safe. Resistant To Thermal Shock And Heat, Maintaining Its Properties Unchanged Over Time. Dishwasher Safe And Suitable For Sterilization. Physioteat: Flat, Symmetrical And Elongated Shape That Facilitates Correct Closure And Peristaltic Movement Of The Tongue. Soft Silicone With Smooth Finish Ensures Natural And Comfortable Sucking. The Nipple Facilitates Natural Sucking And Adapts Naturally To The Baby'S Mouth. Slow Flow Silicone Physical Teat Made Of Borosilicate Glass, Resistant To Thermal Shock And Heat Suitable For Sterilization And Dishwasher Safe Ensures Natural Sucking Thanks To The Anatomical Shape Of The Teat, Which Also Prevents Colic, Irritation And Regurgitation Made In Italy