Ultra smooth technology our ultra smooth technology includes filaments capable of beautiful and smooth Extraction to help build even the most delicate objects. Vacuum sealed we use vacuum-sealed packaging to isolate the moisturized environment and filament, and give you the best performance imaginable. High compatibility our filaments have been tested on more than a few 3D printer brands, receiving widespread and positive customer feedback. 3D Solutech is a professional filament manufacturer specializing in providing quite a lot of colors and materials for 3D printing. Quality is all the time our top priority, and we check each spool, vacuum seal, and package by hand to make sure optimal product quality. Our filament is a proven winner, and maintains the smooth and consistent printing experience needed to succeed in the most efficient printing results. Our filament is all the time round, and contains no oily residue, air bubbles, kink, use or breaks. Take a look at our store for the up to date colors and materials for your 3D printer. Package includes: 1 x 1.75mm real Yellow PLA filament (2.2lbs) 1 x filament clip.