The 7-piece vent block set is designed for car lovers. Through precise cutting and high-elastic EVA material, the vents are waterproof. Each set contains 6 vent blocks and a window strip, and comes with a blue PET tape that can be firmly fixed to the vent block so that it will not be washed off during the water gun washing process. Designed to reduce water stains during the car wash process and optimize the car washing experience. Whether it is daily maintenance or a car owner's unique car wash procedure, this vent block kit allows you to enjoy a worry-free car wash, protect your car's engine system, keep it clean and dry, and the included storage bag is more convenient for storage.