BPA free The body of the pot is made of food-grade PP material, the straw and spout cover are made of medical-grade silicone + ABS material, through the international FDA, LFGB certification, zero Bisphenol A, zero plasticisers, high-temperature boiling disinfection ( 100 C) does not deform, no odour, to eliminate the risk of migration of chemicals from the source, to protect the baby's drinking water safety. Anti-leakage black technology, goodbye to wet schoolbag Dual sealing structure: The built-in silicone sealing ring on the lid and the leak-proof valve on the base of the straw lock the water flow path, so that even if it is inverted, shaken or dropped from a height of 1 metre, no water can leak out, and it is especially suitable for putting into the side pocket of the school bag, so that you are not afraid of your textbooks getting wet any more. A key to open and close the design: the lid of the pot with a magnetic pop-up switch, baby one-handed gently press to open, close the click a crisp lock, easy to operate and easy to use, the lower age of young children can be used independently. Anti-choking straw, gentle care of the oral cavity Suction tube calibre precision control in 4mm, smooth but not rush, with the soft curvature of the silicone suction nozzle, fit the baby's mouth, even if the rapid suction is not easy to choke; suction tube built-in gravity ball, 360 any angle can drink the water, sitting, lying down, running and jumping can be easy to drink water. Ergonomic design, comfortable to hold and drink. Curved non-slip grip: The concave design on both sides of the pot fits the curvature of children's palms, with soft rubber non-slip particles, even if the little hands sweat, it is not easy to slip, and cultivate the habit of drinking water on their own; Tilt 45 spout angle: scientific calculation of the baby's head tilt angle when drinking water, the tip of the nozzle slightly cocked, the water flow into the mouth naturally, to avoid excessive neck tilting, to protect the spine health.