Strictly selected PPSU food-grade top-level raw materials, widely used in the material of medical equipment, the bottle body is transparent amber color, good transparency, high temperature resistance, chemical resistance, hydrolysis resistance, impact resistance, tough texture and not easy to deform. Experiments have confirmed that the bottle body can withstand high-pressure steam sterilization for more than 1,000 times and is more durable than general materials. Passed SGS inspection and does not contain bisphenol A. The bottle body is printed with German ink and passed SGS inspection. It is clean and hygienic with a sliding cap to open/close the cap instantly. Intelligent exhaust system, suck and release, suck more smoothly. Anti-slip handle with convex point design, easy to grasp and not easy to slip, easier to learn. Food-grade soft silicone straws with 360-degree automatic catheter beads make it easy to suck without dead ends.