The Backpack Rain Cover protects your backpack from dust, scratches, rain and snow. Suitable for running,cycling,mountaineering,hiking,fishing,travel,camping etc.   Features： Made of premium 210T oxford material with silver PU coating,waterproof,UV resistant and tear-resistant.  Wide reflective strap is excellent at night,provides you safety during nighttime activities.  The cross adjustable buckle straps for extra stability,ensure your backpack completely enveloped without slipping off easily.  Easy to attach to your backpack even in sudden rain showers.  Suitable for backpack size with 20/35/45/60/70/80/100L capacity.  Ideal for running,hiking,camping,cycling,fishing,mountaineering and other outdoor activities.   Specification: Color: Black/Orange/Army Green/Blue/Green (optional);  Size: 20L(XS) /35L(S) /45L(M) /60L(L) /70L(XL) /80L(XXL) /100L(3XL) (optional);  Material: 210T oxford;  Carry bag size: 18*15cm/7.1*5.9in;  Package weight: Approx. 96-230g/3.4-8.1oz;   Package List: 1* Bag Cover;  1* Carry Bag;   NOTE: 1.Please allow slight measuring deviation due to manual measurement.  2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors. Thank for your understanding.  3.If you are planing on stowing things on the outside of your pack,we would recommend getting a size up so that it will easily cover your entire pack.More details please refer to the size chart.