Material Description: Plain Oxford fabric (Polyester). Product Size: 12.6"x5.5"16.5". Design Area: Single-sided printing. Product Performance: The high-density pu plain cloth is strong and wear-resistant, and the whole bag design is fashionable and light. The adjustable shoulder strap can be adjusted to your comfortable length at will. The widened and breathable shoulder strap design can relieve the back pressure and protect the shoulder, and one shoulder strap is equipped with a webbing for hanging glasses. Comfortable airflow back design, thick and soft. Large capacity design, the self-contained computer compartment inside the main bag can accommodate a 15-inch laptop and iPad, as well as books, clothes and other everyday items. It can help you to bring convenience to your daily work and study or travel to collect classified items. Casual, simple, stylish shape with your own personalized customization gives you a wonderful experience. Application Scenario: For schools, tourist mountaineering, training courses, shopping, zoos, parks, outdoor sports, etc., suitable for both men and women. Accessory Structure: Top handle strap, adjustable shoulder strap, ergonomic back pad, a main pocket with a large sticker bag to classify your items, and a mesh pocket on each side of the bag to place bottles, umbrellas, etc. Washing Instructions: It is recommended to wash by hand, do not bleach. Warm Reminder:The picture display effect is for reference only, the final effect is subject to the actual effect! Due to the production batch, machine equipment, manual measurement and other objective factors, there will inevitably be slight color difference, position, size error between the real object and the effect drawing. If the above problems are normal, please understand.