flexitank: 1)4 layer PE+1 layer PP+3" Valve 2)Capacity:20,000-24,000 Liter 3)Product Liability Insurance 4)ISO,FDA,SGS,EC Flexitanks/flexibags for bulk liquid packageGrade Food Grade FlexitankComponent 4 inner layers food grade PE1 outter layer Strong PP3 " Butterfly ValveCapacity 20,000Liter - 24,000LiterTypea)Top Loading &Dischargingb)Bottom Loading &Discharging c)Top loading & Bottom ...