AMAZING PUTTY-Amazing Mold Rubber Kit. Amazing mold rubber is a two-part liquid rubber used to make extremely elastic molds to produce quick and exact reproductions of your original object! Replicas can be cast in Amazing Casting Resin or Amazing Clear Cast resin for plastic parts or use other materials such as plastic wax clay or polyester (sold separately). This package contains one 31.75g bottle of the catalyst to make silicone mold making rubber one 0.7 pound jar of the base to make silicone mold making rubber one scooper to keep hands clean one measuring cup that fits up to 2 tablespoons of product and easy-to-follow instructions. Conforms to ASTM D-4236-94 and LHAMA. Made in USA.