The ClamShell in Large is the ultimate go-to bag-
"The Just in Case Bag" --Just in case you need both Chips and Salsa or Towels and Drinks or Wetsuits and Aloe Up Sunscreen- you get the Drift.... BRING IT ALL
Port Red Rope Handle that cinches up when carrying items to close the top of the bag
Inside Ph/Wallet Pouch, Key Holder and Life Saving Bottle Opener