Product Size: S, M, LColor: black + fluorescent green, black + orangeMaterial: Oxford clothPackage content: 2pcs backpack rain cover1.SAFE REFLECTIVE TAPE: The backpack with reflective adhesive tape reflects the light to inform the driver of pedestrians on the road and ensure their safety in fog and darkness.2.QUALITY ANTI-SLIP BUCKLE: The adjustable buckle strap of the backpack rain cover ensures that it is securely attached to the backpack and prevents the backpack cover from slipping off.3.IPX7 WATERPROOF: The waterproof inner coating protects the backpack from rain, rain, fog and snow and protects your backpack from scratches, dirt, sand and stays dry and clean in all weathers.4.LIGHTWEIGHT & PORTABLE: There doesn't seem to be anything like that on the back. it can be folded up to save space and is perfect for a backpack, school bag, rucksack, rucksack and more.5.MULTIFUNCTIONAL APPLICATION: The waterproof backpack cover can be used as a screen cover, seat cushion, bicycle rain cover, fan cover and for all devices that require rain cover on rainy days. Ideal for travel / backpacking / camping / hiking / climbing / biking and other outdoor activities.