Boo-yah on the name choice.
Changes I would make [based on my personal situaion/location/etc.]:
Toss in some heavy-duty aluminum foil (weighs next to nothing, takes up very little space if packed correctly, allows you to boil water)
Switch 50-100 ft. of paracord instead of the nylon, as suggested by Famine.
2now suggested a hacksaw blade, I'd go for the "commando" wire saws myself (though a perfect material would be livestock horn-cutting wire found at vet suppliers, etc.).
Instead of both the bottle of water and the Gatorade, I'd pack 2 or 3 Capri-Sun (or similar) juice packs or H2O survival packets. The packets, not the boxes
. It lasts a decent amount of time, may be frozen and thawed without damaging the packaging, delivers H2O and mentioned vitamins with a decent taste, and they're cheap as hell. Though I always put mine in a ziplock just in case the packaging does develop a leak.
I'd toss in about 3 tea lights instead of the 1 larger candle. They're easier to ration that way, they'll hold together better because of the metal cups, and if you do need a surge of more heat you can light more than one at a time.
To save space I'd use WetFire tinder rather than the trioxane packets, but that's pure personal preference (and in my case ease of procurement).
I'd go with Potable Aqua pills rather than the dropper with clorox bleach for simple simplicity and to cut down as much as possible on juicy kit parts.
Fishing kit is only going to help if you're heading to a place that has fish... honestly, this actually isn't usually the case. While I have a fishing kit in my BOB, I don't bother with my survival tin and wouldn't in a MESA.
Sewing kit, I actually would add, if feasible. Regardless of where you're going, you'll most likely be wearing clothes, and clothing has a tendency to wear or rip in unfortunate places. A sewing kit also allows you to make alterations to clothing that may help your situation.