Applied 500D PVC high-frequency welded seams technology, 20L dry bag has excellent waterproof and dustproof performance. Please note that to ensure a better seal, tightly roll down the seal 3 or 4 times ad clasp the buckle. The capacity is 5 Liters. Dia is 9.5 “, the height is 22.8 “, The price is includes shipping cost to ca, quantity over 500pcs by ocean. Customize it with your logo or company name on the dry sack and become your next promotional event! Other specifications 2L,3L,5L,10L,15L,20L,25L,30L,35L. Thanks for your order.