As a cylinder packaging manufacturer with over 10 years of experience, Hopak can custom shipping tubes in many sizes (diameter 10 mm-320 mm) and colors according to the needs of your business. By understanding your needs, our engineer will give ideas about structure, and size, to make it more effective and functional. We not only utilize first-class, eco-friendly raw materials in p... https://www.hopakpackaging.com/shipping-tubes/