A practical hooded rain cover that protects you and your backpack from rain and showers.Rain Cover for backpack between 20L and 40L. 100% Waterproof fabric in use. Dog-hook mechanism that keeps the rain cover tightly fitted to backpack preventing the cover from slipping off your backpack. Elastic circumference makes it easy to adjust to different sizes giving it a snug-fit. Outer Covering Area: Maximum 120 cm x 80 cm [HxW]. Now you can keep your pack dry and to keep your worries away while you soak in the rains.