Microfiber. Premium Grade Materials: This car glass cleaner is made with superior quality, highly durable materials, a sturdy construction based on heavy-duty ABS plastic and aluminum alloy tube which is guaranteed to withstand the test of time and intensive use. Long Extendable Handle: Unlike similar products on the market, this window washer features an ultra-long easily extendable handle, allowing you to enjoy a customized experience based on your personal needs. Easily reach all corners and angles from the driver and passenger seat! Whats Included: Youll receive 2 x microfiber bonnets, 1 x car wash tool, and 1 x empty spray bottle, all set for a truly professional job! User-Friendly Design: Say goodbye to the constant hassle of removing dust, dirt, or stubborn stains with the window cleaning brush, designed for interior and exterior use! The microfiber material of the bonnet is easy to clean, washable, and reusable, effectively removing fog and moisture without leaving behind lint, streak, or residue!