The civilized liquid transport tube for traveling, outdoors, and much more. The soft, inverted design permits fast, easy dispensing with a ‘No-drip’ silicone valve which keeps the cap clean. The medium has an integrated suction cup which makes it great for shampoos or conditioners in the shower. 100% BPA Free -- 100% PC-FREE. Carry-on approved. Rotate collar to window identifier of popular contents.