PROTECT YOUR BACKPACK: Backpack rain cover is waterproof and not only waterproof, but also dust, wind, snow and dirt resistant, keeping your backpack or school bag neat, clean and intact. SAFETY IN THE DARK: Schoolbag rain cover has a reflective tape, this is a warning color. The color reflects when light hits it, increasing visibility and road safety in the dark or in traffic. Make your or your child's journey safer and make your child safer on the way to school. Closure: Twist lock Casual STRONG AND TEARS: Rain cover backpack is made of nylon with waterproof coated, waterproof, windproof, snowproof, strong, tear-resistant and reusable, is an essential item for travel and going out. QUICK TO USE: The elastic rubber band allows you to attach the waterproof rain cover quickly and easily when the rain suddenly starts - a good helper for travel. SUITABLE FOR DIFFERENT TYPES OF BACKPACKS: Its size is 40*20*15cm, suitable for most types of school bags or backpacks (30L-40L).