This is the black S size, but we also have other sizes and colors available, so please let us know in the comments. Size/Dimensions S: ~35L H48cm W32cm D20cm M: ~45L H55cm W35cm D25cm Material: High-density nylon Waterproof backpack rain cover, perfect for commuting and school. This is a waterproof cover to protect your backpack from rain. Simply slip it over your backpack or rucksack. Made of sturdy nylon material for mountaineering, it is waterproof. It secures firmly with elastic on the inside. It can also be used for carry-on cases, bicycle baskets, etc., in addition to bags! It will protect your precious bag and its contents. Colors: Black, Purple, Navy, Khaki, Orange, Camouflage Silver, Yellow, Blue Please specify the size and color in the comments. [Notes] *Please note that due to the manufacturing process, there may be "seams" or slight "fraying" in the fabric. This does not affect the quality.