Offered in 2 and 8 Liter versions, Matador’s Flatpack Dry Bags feature welded construction of Waterproof 70D ripstop nylon for an IPX7 rating (Submersible to a depth of 1 meter for 30 minutes).
They feature a roll top and clear window to ID your gear along with a Hypalon carrying handle.
matadorup.com/products/flatpak-drybag-8l