Wide compatibility: These four microfiber cloths are designed to fit perfectly with window cleaning systems, including the WV 2, WV 5, and WV 6 series. Their universal design ensures seamless integration with your existing equipment. Secure and precise attachment: With an optimized size of 27.5 x 7 cm, each cloth fits precisely into the window squeegee's Velcro holder. This customized fit guarantees maximum stability when cleaning windows, mirrors, tiles, or countertops, preventing unwanted slipping. Efficient, scratch-free cleaning: Made from finely knitted microfiber (80% polyester / 20% polyamide), these accessories offer rapid moisture absorption and a flawless finish. They remove streaks and dirt without leaving lint or scratching delicate surfaces. Durability and easy care: Designed to withstand heavy use, these cloths can endure up to 500 machine washes at 40°C. Their increased durability makes them a lasting investment for your cleaning routine. Convenient color-coded management: The dual white and yellow color scheme allows you to efficiently organize your cleaning tasks. It is recommended to use yellow for wet or heavily soiled surfaces and white for dry cleaning and delicate surfaces – a preferred method for optimal hygiene. Safety and compliance: These accessories comply with European REACH standards and are guaranteed free from phthalates and heavy metals, ensuring safe use in your home. This product is sold by xiaosong on behalf of a third-party seller; it is a compatible product. None of the products offered in this store come with two batteries; they are powered by a single battery. Note: 1. Due to variations in lighting and screen settings, the product color may differ slightly from the images shown. 2. Please allow a measurement error of 1-3 cm due to manual measurement. 3. Please check that the size is suitable before purchasing. We sincerely thank you for your understanding! Thank you!