New Rafting Bag Dry and Waterproof Travel Bag Backpack ,Type 5L and 10L. This Rafting bag has removable strap if demount the strap it can be used as a waterproof bag of 10 liters.The length of strap is adjustable to suit your size need.There are 5L,10L,15L,20L and 30L for options. Please advise the capacity if need the quote.