Is this enough food for an overnight trip to the grand canyon?

[Jmoose]

1 Igloo Soft Sided Cooler
- filled with 8 16.9fl oz water bottles
-12 inch sub
- 6 or so cheesy sticks

1 Stainless Steel thermos
-filled with either hot water or chicken soup
2 cans of dole crushed pineapple juice
6 jack links pepperoni sticks
4 granola bars
2 good sized water bottles in my backpack