Survival Dilemma: The remote island

Imagine you are going to be stranded on a remote island for 6 months. The A team will not save you. No boat, plane, submarine, helicopter or flying car is going to rescue you. You can not swim to another island because the ferocious sharks will tear you apart. Nobody is going to be looking for you because your friends and family think you are on a secret service mission for the British Spy Agency. You can take 1 of these two survival kits. Which would you take?