The QIDI Tech Asa 3D Printing Filament is a high-quality product designed for use with 3D printers. Made from UV-resistant ASA material, this white filament is 1.75mm in diameter and compatible with the QIDI ASA White model. With its reliable brand name and quality materials, this product ensures a successful and durable printing experience. Ideal for both hobbyists and professionals, this filament is a must-have for anyone. looking to produce high-quality 3D prints. opened bought used. I never used them. Just reselling them from a old warehouse of filament that I bought.