Is seaweed a sustainable material?

Seaweed is a sustainable and environmental friendly material. 

Seaweed grows in ocean without any pesticide or synthetic fertilizer. Its growth does no harm to the ocean environment and helps to purificate the ocean.

Seaweed is more widely used as a healthy food. As a bio-based material, it is also made into fibers to make organic fabrics. The fabrics also bring a lot of benefits to our human body.