Single use premeasured is enough material to repair a medium to large deer shot out on both sides. 1.5 quart and when combined=1 gallon+ of finished foam. Each kit comes with a free mixing tool for use with a high speed electric drill. 
 
Step 1 : Remove shot out material.
Step 2 : Apply plastic sheet with a staple gun. This will hold the foam in place when poured in.
Step 3 : Pour mixed foam material into target. Allow to expand and set overnight.