Elastic cable: The waterproof air conditioner cleaning bag features a built-in elastic cord, allowing 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 directs dirty water 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 maintains its shape without collapsing or breaking under weight, fitting 99% of wall-mounted air conditioners. Waterproof material: The air conditioner cleaning bag is made of high-quality waterproof fabric, effectively containing dirty water during cleaning and preventing floor mess, helping to keep the area clean. Color: Blue Material: Fabric Package Contents: 4 x Air conditioner drain bags Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.