WANDF Water Resistant Backpack Rain Cover for Up-to 20 Inches Backpacks, Black RAIN PROOF - Versatile rain cover designed for keeping hiking packs dry DURABLE - Made of 300D nylon material, durable and wear-resisting. Item dimension: 20 x 20 x 10 inches EASY TO USE - Full circumference draw cord keeps cover cinched tight UNIVERSAL - Seamless construction for weather-tight protection. Keeps out mud, rain, sleet and snow SECURE YOUR BELONGINGS - Prevent pickpockets to your backpack when traveling.