I.C.E.P.A.K. Contents pictured above, all fits easily in the ICEPAK with much more room to spare.  1 person 72-hour kit weighs just at 10LBS  

First Aid Kit: First Aid booklet, ABD Pad, Sterile Gauze pads, Gauze roll, Non-latex gloves, stainless steel tweezers, stainless steel scissors, Sun-X sunscreen, No Buzz insect repellant, Benadryl, Aspirin, Non-aspirin, anti-acid, Medicated pads, alcohol prep pads, Iodine prep pads, spot bandages (small, medium, large, and extra large) butterfly bandage, knuckle bandage, cotton swabs, antiseptic ointment, burn cream, medical tape roll, Sting relief pad, etc...

Nylon Rope

4-in-1 200+ hour glowstick/flashlight, whistle, flasher

Multi-Function Tool

6-in-1 flashlight/radio, etc.

6-in-1 Safety light, radio, siren, compass, (one minute of winding = 60 minutes of power).

Emergency whistle/compass/mirror - on a lanyard, with fishing/sewing kit in water resistant case, fishing line, safety pins, weights, snap swivel, hook, needle

45 gallon garbage bag

N95 Particulate mask

3600 Cal Emergency food rations, 9 packets of water, waterproof matches (45), A Cool Tool (light load towel), Multi-purpose tape, candles (3), Toothbrush/toothpaste, personal tissues

Snake bite kit with directions

Emergency Poncho

15-in-1 Multi-function tool in its own case

Tube tent

Emergency Blanket, work gloves

Items