#SBS116AI: Tired of those sticky window seals and weather-strips? We have tried it all, from German rubber care to silicone to Teflon. They’re messy and don’t work! From buses with new seals at the front doors (that you just can’t get the new seals to slide) to bugs with sticky beltline seals and top seals, this product works. This product is 99% talc and won’t harm surfaces. It leaves a white powder film as a lubricant. To use, just tap it gently on a dry rubber seal.