Includes Resin, Hardener, 3 reusable Measure & Mix Cups and a Mixing Wand. Enough to mix 3 batches. Each batch will make 3-6 castings, or cover about 15 square inches with the Doming Technique. Mix in a 2-to-1 ratio. Shelf life is about a year, and can be maximized by storing in a cool, dry place, away from light.