ERGONOMICALLY SHAPED BOTTLE - Designed with anti slip texture to help babies grip easily to drink independently LEAK-PROOF BOTTLE - with wide openings and a special cap that doubles as a measuring cup. SKINSOFT BPA FREE SILICONE NIPPLE: through an elongated nipple that is pre compressed MAM achieves a 94% Nipple Acceptance, making it easier to switch between breastfeeding and baby bottle feeding. SUPERIOR HIGH TEMPERATURE RESISTANCE:. Safe for heating, dishwasher cleaning, and sterilizing at high temperatures. GROWS WITH YOUR BABY: No need to switch or buy new bottles. These baby bottles work with all MAM Nipple sizes and flows, adapting as your baby grows. DURABLE AND SAFE: Rigorously tested to exceed American and European safety standards. ECO-FRIENDLY : Manufactured in Europe from bio-circular, BPA and BPS free baby safe premium materials, these bottles are made to last.