Mayrain is a leading manufacturer of custom printing waterproof school backpack. We are a factory that specializes in producing high-quality backpacks designed to meet the needs of students from all walks of life. Our backpacks are made with durable materials that can withstand daily wear and tear, making them an ideal choice for students who need a reliable backpack to carry their books, laptops, pens and other school supplies. Our custom printing options allow you to design a backpack that reflects your personal style and preferences, making it a unique and one-of-a-kind item. We take pride in offering exceptional customer service and guaranteeing the quality of our products.