Made of 100% organic cotton from Japan, the Vapefly Cotton Clouds is a high-quality organic cotton for coil building. It is cost-effective and not wasteful, and you can take as much as you need. It is able to absorb e-juice quickly which is easy to shape and form. Unbleached and odorless. 1pc each pack. Best choice for DIY fans. Just get the Vapefly Cotton for easy coil building.