Childlike colors stimulate the vision, vivid expressions are full of vitality, and enhance the baby's desire to suck. Strict selection of food grade PPSU raw materials from European and American manufacturers passed SGS inspection. PPSU is a polyphenylene satin material widely used in medical equipment. It is resistant to high temperature, acid and alkali, and has a tough texture and is not easy to deform. The bottle has a transparent amber color, no added coloring matter, and no bisphenol A and bisphenol S. The slide-type seconds switch makes it easy for both large and small hands to slide, and the pop-up nozzle is clean and hygienic. Smart exhaust system, one suction and one release, sucking more smoothly. Food-grade soft silicone straws, with 360-degree automatic catheter beads, can easily drink when lying down. The anti-slip handle bump design makes it easy to master and not easy to fall, making learning easier. The bottle body uses German printing pigments.