The Transtar 9541 Signature Series 2K Sealer in black is a gallon-sized product that includes a quart of slow activator/hardener for automotive applications. This sealer is designed to provide a high-quality finish and is part of the Transtar brand's line of products. The manufacturer part numbers associated with this product are 6081, 6231, and 6254, and it comes with a California Prop 65 warning for cancer and reproductive harm.