Generally, the service life of our insulated bag is shown on the "Product Details" page along with other product information like specifications, color, size, and type. We do our best to extend the service life of our products as long as possible because a time-tested product is bound to add more value. To be more specific, we adopt superb-quality raw materials and try to combine and mix them at the best ratio so as to guarantee product performance and quality. Moreover, we utilize newly updated equipment featuring high precision. This also guarantees our products can withstand the test of long-term use.

Sofie Bag Co., Ltd. has been committed to research and development and production backpack for many years. Sofie Bag focuses on providing a variety of backpack for customers. laptop backpack is scientific in design, simple in shape, fine in workmanship and smooth in surface. Product quality is excellent, in line with industry quality standards. It is designed to give the utmost safety to people's belongings.

Sofie Bag has built up complete quality control and service systems. Check now!