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.