The production cost consists of direct material cost, labour cost and manufacturing facility cost. Normally, the material cost takes up about thirty to forty percent of the total production cost. The figure may vary depending on the specific products, while in order to produce high quality laptop backpack, we never cut down the investment on the material due to corporate parsimony. Besides, we would invest more in the technology introduction and product innovation to improve manufacturing efficiency and lower the overall manufacturing cost.

Sofie Bag Co., Ltd. has been concentrated on school bag manufacturing for a long time. Sofie Bag has created a number of successful series, and travel bag is one of them. Sofie backpack is known for combining aesthetic functionality and innovation. The product is intended both for everyday and business use. This product has the consistency of product performance during a certain period. It is designed to give the utmost safety to people's belongings.

To establish the service philosophy of waterproof backpack is the base of Sofie Bag's work. Call!