20L PVC tent and tarp weights for stability. - Capacity: 20L - Material: PVC 1000D - Color: Black - Application: Tent and tarp weights - Features: Adjustable weight by filling with water I bought these for work, but the capacity was too large and I couldn't use them effectively. Used only once. The original price at the time of purchase was 1,700 yen x 4 = 6,800 yen.