Elastic cable: The waterproof air conditioner cleaning bag features a built-in elastic cord for easy installation on the air conditioner without the need for additional tools, saving time and effort. Equipped with a drain tube: The waterproof air conditioner cleaning kit includes a drain tube that allows dirty water to be directed to a designated location, offering convenience and practicality. Wide opening, no collapse: The waterproof air conditioner cleaning bag has a wide-opening design for easy use and cleaning, and it will not collapse or break under weight, making it suitable for 99% of wall-mounted air conditioners. Waterproof material: The air conditioner cleaning bag is made of high-quality waterproof fabric that effectively contains dirty water during cleaning, preventing spills and keeping the surrounding area clean. Color: Blue. Material: Fabric. Package Contents: 4 x Air conditioner water bags. Note: Light reflection and different display settings may cause slight variations in color shown in the image compared to the actual item. Measurement may vary by +/- 1-3 cm.