Zipper Lubricant And Cleaner For Plastic, Nylon And Metal Zippers With Brush Applicator. FLEXIBLE SEALING ZIPCARE is a new generation Zippers Treatment for plastic, nylon or metal zippers, equipped with a unique brush applicator which enables the product to be spread between the teeth in order to effectively remove dirt, sand, and salt deposits which can cause zipper jamming or breaking. Ideal for zippers on wet/drysuits, gear bags or protective clothing. Technical Features: Lubricant and Cleaner. Cleans & Extends zippers life. Leaves a Unique Eco-friendly protective film on the zipper. For Plastic, Nylon or Metal Zippers. Brush Applicator.