Size 500 x 45cm Durable Air Conditioner Window Seal Kit: This AC window kit is made of quality waterproof and UV-resistant material, comes with strong adhesive tape and a Cordlock, preventing warm air from entering and securing each plate. It is durable, washable, reusable, and removable; install it again to get cooling next summer. Air Conditioner Window Kit with Adhesive Tape and Cord Lock: The strong cord lock provides a good seal and fixing, effectively blocking the return flow of warm air, reducing the leakage of cold air, helping to reduce energy losses, protect the environment, and save on electricity bills.