TPU professional bag

[Specification]: 2L
[color]: blue
[description]: before and after the layer bag body are made of TPU design in a transparent, refreshing clarity, PVC water pipe standard length 100cm, blue silicone suction nozzle and American patent waterproof switch. Bag materials for each part with FDA and NSF food grade standards, tasteless non-toxic, through the European EN71 does not contain heavy metals and toxic test. The characteristics and scope of application: applicable to general jogging, cycling, hiking and water sports. In strenuous exercise and high consumption of oxygen during exercise, may at any time to add moisture. Straw design can make the water when the hands free, easy to continue to exercise, cycling, marching, or prevention etc..