Canvas,Cotton Imported PERFECT CANVAS TOTE WITH ZIPPER: Made by 16oz cotton canvas, super sturdy, soft and water-washable. Have a zipper across the top and the bottom is reinforced. Can be the essential everyday tote. VERSATILE DUCK BAG: Can use it as a top-handle bag, or shoulder bag, or crossbody bag by carrying with top-handles or wearing the adjustable strap. The wide and breathable strap will not cramping your shoulders even you put heavy stuff inside. SPACIOUS and ROOMY: 12x13.5x5 inches. It is roomy enouch for your personal essential stuff as a casual weekend bag. Fit iPad, A4 magazine, 13.5 inches notebook, but lay notebook down horizontally. MINIMALISM and ATHLEISURE: Apply to work, school, travel, dating, shopping and gym. It is skin-friendly and recycle. SERVICE WARRANTY: We'd love to be more eco-friendly. Each of our tote bag was well checked to ensure an efficient shopping experience for every customer. Please contact NBKUN for warranty and service. Your suggestion is really welcomed to make us better, not only the quality, but also the service and more.