* Premeasured doses of all Uni-Mix® Integral colors to be used with cementitious overlays (including vertical overlays and micro-toppings) and concrete countertop mixtures. * Pre-packaged in bags to work efficiently with one bag of overlay or countertop material. Compatible with Butterfield Color® T1000™ Fine Overlay , T1000™ Stampable Overlay , Cantera™ Vertical Overlay , and Flat Out® Countertop Mix .