1.Cylinder Style Plain bottom Four Loops Top Filling Spout 2.Four Straps Top Filling Spout Bottom Discharge 3.Four Straps Plain bottom Top Filling Spout 4. Four Straps Duffle Top Bottom Discharge 5. Four Straps Plain Bottom Duffle Top 6. Customized Design is acceptable Send us a Sketch Mark the Dimension A, B, C We will provide you samples for your final testing.