Picked one up today on the way home from Jury Duty (wasn't even called for the screening).
I got the "Ultimate Survivor" at Sportsman's Warehouse for $16.99. It is by
Lifeline.
The Ultimate contents list:
32 Oz BPA-Free Water bottle
Carabiner
Multi-function tool
Multi-function Whistle/compass
Flashlight & batteries
Survival Blanket
2 hand warmer packets
Candle
Box of waterproof matches
Emergency Poncho
20 pc First Aid Kit
Reusable Zipper-lock Bag
All of the pieces are made in China, so quality is questionable. It is not bad for the price and to throw into the car for ....
I really wanted to get it to see just what the contents consisted of. (I know bad grammar.) The Nalgene bottle is the primary requisite. After that add what you want, that fits. I will be adding a few items to my bottle and build a couple more for stashing in my car and a few other places. I want a magnesium fire starter (rod and scraper/striker) in my bottles. I can and do use flint and steel, but magnesium is easier and does not need "char" to get things started.
My suggestion is go to the website, look over what others have done, and build your own. It will cost more, but it will contain what you want it to contain and you will know the quality of the parts.