Product Details color: black[Different capacities are available] This backpack rain cover has 5 different capacities, XS size (suitable for 8-17 liters), S size (suitable for 25-29 liters), M size (suitable for 30-40 liters), L size (Suitable for 45-55 liters), XL size (suitable for 60-70 liters), to meet your different needs, can help you achieve easy outdoor sports.Weight: 70 grams[Small and comfortable] Weighing 0.6 pounds, it can be easily folded into its own pocket for storage, and can be unfolded when needed. for sports, hiking, camping and travel.Contains: 1* backpack rain cover[Purchase Tips]-If you have any questions, please contact us, we will deal with it soon possible.Material: polyester[Durable material] This backpack uses high-quality tear- polyester fabric to strengthen the main stress points and provide long-lasting durability for daily activities. Don't be afraid of rain when you use water. It is suitable for outdoor hiking on rainy days and hiking at night.[Upgraded design] Our backpack rain cover stands out with a more user-friendly design, with a luminous strip, which makes you safer and easier to use at night.of application: unisexPacking size: XS size (suitable for 8-17 liters), S size (suitable for 25-29 liters), M size (suitable for 30-40 liters), L size (suitable for 45-55 liters), XL size (suitable for 60-70 rise)