Durable and rust-resistant, made of high-quality materials. Easy installation without tools, no drilling, no mess. Strong magnetic force with strong adhesive backing. Multiple magnets may be needed to attach a window grid, depending on the window size. Wide application: suitable for insect screens in kitchens, offices, living rooms, children's rooms, workshops, and more. Color: White Material: Plastic Size: 7.8 cm Package Contents: 22 x Adhesive Magnets Note: The package includes only the items listed above; other products are not included. Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm. Please check the product dimensions carefully before purchasing to ensure compatibility with your needs. Detailed product information, including features and specifications, is provided in the title and description. We want you to be completely satisfied with your purchase. If you have any questions or concerns, please —we’re here to help. Thank you for choosing our product. We hope you enjoy it.