Looking for a light weight, water resistant backpack? Gearbest has the Tanluhu Lightweight Sports Backpacks on sale starting at only $7.09! There are 4 different colors to choose from: black, green, blue and gray. Each one is a little different in price but not by much. Plus, the gray one will get FREE shipping. It looks like the others will have a $3.73 charge for shipping which still makes the price low for this backpack. This would be perfect for hiking, camping or your emergency bags!