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The Gooper Big Bag measures 19.4cm x 14.4cm
 
Gooper Hermetic dry bags are:​
 
The first and only patented self sealing dry bags.
An intuitive automatic instant self sealing dry bag.  It seals by just letting go leaving an instant hermetic seal every time.  Leaving you with no anxiety as to whether it's sealed properly or not.
30m/100ft depth waterproof.
Sand, dust, air, gas, snow and odour proof.
Keypad usable.
Touch screen usable.
Memory Card Safe.
Credit Card Safe.
Video and camera usable.
5 year full manufacturer warranty.
The bags are made with eco conscious materials and are 100% biodegradable.