SPECS: Volume: 3.4 fl. oz. Weight: 2.29 oz. (65 grams) each Dimensions: 57.15 X 114.3 X 38.1 mm. (2.25 X 4.5 X 1.5 in.) DESIGN & DETAILS GoToob+ features soft, rugged silicone that's easy to squeeze Large opening makes it easier to fill and clean with a contoured base so it can stand up while filling TSA air travel approved with clear size indicators Recommended for low or medium viscosity liquids Patent-pending LoopLock prevents accidental openings and leaks Looplock can be hung from hooks or strapped to a pack