Welcome to our product optimized for your needs. 1. Premium Material: Crafted from a polyester blend and measuring 15 x 18 cm, these microfiber cleaning cloths effectively remove dust, smudges, and marks from delicate glass surfaces without scratching. 2. Lightweight & Durable: The silky fabric of the cleaning cloth is designed to be incredibly lightweight while maintaining durability, making them easy to use and long-lasting. 3. Machine Washable & Reusable: These microfiber cloths are machine washable and highly reusable. Simply toss them in the washing machine on the gentle cycle and air dry, and they're ready to use again, offering a sustainable cleaning solution. 4. Multifunctional: Ideal for cleaning iPads, tablets, smartphones, eyeglasses, sunglasses, laptops, camera lenses, smart TVs, and other valuable glass surfaces, these cloths are versatile and suitable for various electronic devices. 5. Quantity & Size: Each set includes 40 microfiber cloths, each measuring 10L x 120l millimeters, providing you with ample supply for your cleaning needs. Thank you for considering our product.