Big Stone Fully Waterproof, airtight, Submersible, Heavy Duty, Rugged, Scuba Zipper Dry Bag - Carry as Duffel, Backpack or Shoulder - Small (40 Liter) : Amazon.co.uk: Sports & Outdoors
Panga 75L Waterproof Duffel / Tan | ManGo Surfing
Yeti Panga Waterproof Duffel Bag - Tan - 50L - John Norris