Denko Pakpak. Waterproof WalletPRACTICAL Exclusive patented press and release opening system.WATERPROOF Depth tested to 60 metres Taken to a depth of 60 metres by divers the contents remained dry. Torture tested in a washing machine. Tested in a washing machine with 5 Kgs of laundry the contents remained dry after a full wash cycle. Sand Proof.TOUGH Dog Tested for 15 minutes. Even the Pakpak inventorīs dog did not succeed in chewing though it after 15 minutes of concentrated effort. The Pakpak is virtually indestructible.DURABLE Usage Tested 10.000 times. After being opened and closed 10.000 times the Pakpak was still watertight. Sun Tested for 90 days. Three months of direct exposure to the sun in the Kalahari Desert did not discolour the Pakpak.COMFORTABLE Keep your hands free Pakpak is supplied with pouch and belts to be worn around waist or arm even in the most extreme circumstances.