Features: Durable and Rust Resistant: Made from high-quality materials to ensure longevity and resistance to rust. Easy Installation: No tools required, no drilling, and no mess. Strong magnetism with powerful adhesive force. Multiple Magnets Required: Number of magnets needed depends on the size of the window grid. Wide Application: Suitable for insect screens in various places such as kitchens, offices, living rooms, children's rooms, and workshops. Color: White Material: Plastic Size: 7.8cm Package Contents: 22 x Adhesive Magnets (Only the listed items are included; other products shown are not part of the package.) Note: Due to lighting and differences in displays, the color of the item in the picture may slightly differ from the actual product. Allowable measurement error is +- 1-3cm. Shopping Advice: Please check product size and dimensions in the title and to ensure it meets your requirements.