Overview Brand : Optimum Polymer Technologies, Inc. Item Form : Liquid Scent : Mulberry Specific Uses For Product : Car Cleaning Material Feature : Biodegradable About this item A Duo for a Superior Rinseless Wash: Our two revolutionary car detailing products in one economical package—ONR No Rinse Car Wash Version 5 and the BRS - Big Red Sponge in one kit. The Premium Car Wash Soap Alternative: Optimum No Rinse Concentrate only requires 1 oz per 2 gallons of water - enough to wash your entire car! The versatile formula can also be used as a clay bar lubricant. Increased Polymer Protection: ONR Rinseless Wash contains a blend of unique polymers that encapsulate and emulsify dirt, creating a barrier between dirt particulates and the automotive finish. The Original Big Red Sponge: Never settle for imitations or 'improved' car wash sponges — the original BRS outshines new gimmicks. We never cut corners, our Big Red Car Sponge offers more surface area than look-alikes! Sponge Ideal for Rinseless Wash and Car Detailing Shampoo: Use with our Optimum No Rinse (ONR) or any rinseless wash for enhanced application, or use with our Optimum Car Wash or any other leading car wash shampoo.