Designed for the learning to drink stage, you can drink water by holding the straw lightly, no need to bite hard. New revolution! Exclusive patent Vigor blowout prevention system, warm water does not spray, and does not leak when turned upside down. It uses 100% food-grade platinum silicone from Shin-Etsu, which is soft to the touch and does not hurt your baby's lips and tongue. Aspir5.0 intelligent anti-colic and decompression system balances the pressure inside and outside the water cup during sucking, effectively reducing flatulence and choking. 360˚ catheter beads, you can drink while sitting, lying down, lying down, and lying down. The inverted tube beads are seamlessly coated without concealing dirt. The accessories are completely disassembled, washed and cleaned most thoroughly, and can be sterilized by steam, water, and ultraviolet rays. Suitable for wide-mouth 200/270/360ml milk bottles. Material Nozzle / straw: Silicone (-20℃~+120℃) Straw connector: polypropylene (-20℃~+100℃) Catheter beads: polypropylene/stainless steel (-20℃~+100℃) Applicable bottle type Wide mouth feeding bottle 200ml/270ml/360ml How to use Cut the length of the straw according to the instructions. After assembling the straw accessories, pass the straw through the middle cap and pull it tightly. The nozzle and straw are tightened to the end, and the cap is tightened to complete.