This is my packing list for a volunteer trip to Peru in 2002. I held everything in a backpacking bag from REI. I have taken enough volunteer trips to know typically what to bring, so I had few packing regrets once I arrived.
Footwear:
Hiking Boots
Tevas
Outerwear:
Rain Jacket (Anorak)
Fleece
Cap
Sunglasses
Beanie
Socks and Privates:
4 Pairs of Socks
6 Pairs of Underwear
Shirts and Trousers:
2 Long Sleave T-Shirts
4 T-shirts
2 Pairs of Shorts
1 Pair of Swim Trunks
1 Pair of Convertable Pants
Gear:
Money Belt
ParaCord
Small BackPack
Plastic Bags
Lighter
Sewing Kit
Watch
Duct Tape
Mini-Flashlight
Swiss Army Knife
Gadgets:
Mini-Disc Player
Digital Camera
Toiletries:
Battery Shaver
Nail Clippers
Safety Pins
Deodorant
Shampoo & Conditioner (in hotel size containers)
Toothbrush and Paste
Earplugs
Work Gloves
First Aid:
Band Aids
Pepto-Bismal
Money and Documents:
Originals and Copies of Passport, Tickets, etc...
Credit Card
Debit Card
Book of Phone Numbers
Traveler's Cheques
Driver's License
Passport
Aspirin