... 4.Intertek Longtime Popular Style Longtime Popular Garment Dye and Washed Canvas Travelling Backpack/Rucksack/Knapsack/Canvas Bag Manufacture Product Description ... bags with different finish washing ways such as enzyme wash, stone wash, acid wash, dip dye wash, dye and enzyme wash ... , tie dye wash, spray dye wash, dirty brush wash, chemical stone wash, chemical foam wash etc. or bags made of nylon ...