Preparing the Kit

The tree self-rescue kit weighs about 2 lbs. and contains the following:
120 feet (35m) of 5mm Perlon (climber's static rope). Or you can use 9/16" tubular webbing, which is more compact.
One long climber's sling (12 to 15 feet of webbing, tied into a loop).
Two short climber's slings, tied or sewn (1-foot loops).
Two locking carabiners (round aluminum stock is best).
Small pliers or wrench (for loosening quick links).
Pocket knife (for unforeseen problems). Or one multi-tool instead of pliers and knife.
One stuff bag (to carry the above).