4 lbs bag is easy to pack in the woods its size is easy to handle and easy to hang much like the TzR bag though it is double the size.   The bigger the bag the more results you will see and the longer it will last the Packer bag is rated at 6 months to a year.  All the techniques at the bottom of this page are recommended for its size.  Low hang techniques will decrease the amount of time the bags will last. This size bag is available in all the other blends.
Rak Sak was developed to work with coastal states and sandy soils. This blend is a specialty blend with added ingredients that work great with poor soil conditions. This blend can also be used in good fertile soils as well.