Blue dye is a natural dye that is extracted from plants and fermented. The blue dyed works are accompanied by the calm and harmonious texture of nature, continuing the life of the plant onto the fabric. Different tie-dyeing techniques allow each finished product to be filled with unique and unique patterns. Our blue dyeing work was hand-dyed in one of the only dyeing factories in Hong Kong, and each one is unique. : Style: In the clear blue sky, dazzling sun https://c1.staticflickr.com/1/908/27104405857_be1b8ba53b.jpg : Material: Surface - Canvas Lining - Polyester :size: Body 36 x 32 x 8 cm Hand strap 40 cm Cross strap 93 cm Can lay down 14" Notebook https://c1.staticflickr.com/5/4741/39384525165_873ee6176d_n.jpg :Precautions: // The blue dye product will have a slight discoloration. If you need to wash, please wash it by hand and do not use bleach. // This product is hand-made and may be slightly flawed. Please forgive me. //Blue dyeing is dye extraction from the plant. After dyeing, the dyeing liquor will have a certain odor after dyeing. If you want to disperse the odor, you can put it in a ventilated place, but avoid direct sunlight, otherwise there will be fading. appear. // Regularly soak hot water every six months to one year to reinforce the color.