Sun Moon 25L-40L Waterproof Reflective Backpack Rucksack Cover for Hiking Camping Traveling Reflective stripes provide high visibility High-quality, waterproof backpack cover - strong and lightweight to help make you visible and keep your backpack dry Perfect for the avid adventurer Suitable for camping, traveling, climbing, riding etc Suitable for most 25-40 liter backpacks or pannier bags