The door or window collision block window lock protection sliding window limiter is an essential accessory for enhancing the security and functionality of your sliding windows. Designed to prevent accidental collisions and damage, this product ensures that your windows remain in optimal condition. It is easy to install and provides a reliable solution for maintaining the integrity of your windows. Features -Color:Black -Material: nylon -Size:5.00X2.50X1.20cm/1.97X0.98X0.47in -Durable craftsmanship: meticulously crafted to ensure durability and performance, providing reliable protection for your windows -Effective collision prevention: protects plastic blocks effectively, preventing windows from colliding and causing damage, ensuring the longevity of your windows -Versatile application: suitable for both sliding windows and horizontal sliding windows, offering a wide range of usability for different window types -Limiter design: features a limiter design that allows you to control the opening range of your windows, enhancing safety and convenience -Lightweight and easy storage: the product is lightweight and easy to store, making it a practical addition to your home without taking up much space Package list: 10 x window anti-collision blocks