TU001 water bag material:TPU capacity: 2L packing:50*40*30CM/50PCS other capacity of this bag are:1L,1.5L,2L,2.5L,3L. TU001 water bag,drinking bag,drink bagmaterial:TPUcapacity: 2Lpacking:50*40*30CM/50PCSother capacity of this bag are:1L,1.5L,2L,2.5L,3L.