Our 3D printing pen filament refills are made from low-temperature PCL material, providing and efficient way to bring ideas to life. The vibrant colors and flexible nature of the filament make it good for a variety of projects, from educational models to intricate art pieces. Enjoy a seamless printing experience with our good filament refills. Features -Color:Assorted Color -Material:PCL -Size:500.00X0.17X0.17cm/196.50X0.07X0.07in -Creative projects: good for various creative projects, allowing you to easily create detailed and intricate designs -Good PCL filament: made with precision using PCL, ensuring lowtemperature release and quick shaping for a seamless 3d drawing experience -Wide cmpatible: works with most 3d pens, offering flexibility and convenience for different devices -Vibrant and bright: comes in a range of bright colors, designed for easy use and to create beautiful 3d masterpieces - performance: designed to be used for a long time, providing excellent value and durability for all your 3d pen projects Package list: 20 x Rolls of Filaments