10% off only for multiple purchases. There are some areas where the material is thin. [Evoon] Rain Cover Backpack Cover Waterproof Zaku Cover Expansion Function Compatible Multi-Business Backpack Compatible Rain Protection 18L~40L Black 【Amazing Water Repellency】Reinforced nylon and coating on both the inside and outside prevent water from entering. 【Small and Lightweight】It weighs only 85g. It can be folded into the included bag and attached to a backpack for easy transport. 【Fits Multi-Business Backpacks】Designed to be used even when the expansion function is in use, as many Evoon backpacks have an expansion function. 【Detailed DETAIL】A rare model for rain covers, such as improved fit and compatibility with backpacks with expansion functions. 【Matches Any Scene】Simple design that matches any scene, whether business, outdoor, travel, or private.