The GoToob+ features a food-grade silicone body, leakproof valve in the cap, & the new LoopLock which adds further prevention from leaks and can be hung from a hook or clip it to a pack. GoToob+ also have a textured area to write in the contents as well as a 25% larger opening for easier filling & cleaning. FDA food-safe, 100% BPA & PC-free. Dishwasher safe (top rack only). Includes 3 each 1.7 fl.oz; 44ml.