High-Quality Material: Our filaments are made from premium-grade materials that smooth and consistent extrusion, providing a 3D drawing experience. Vibrant Color Assortment: Each bundle includes a variety of vibrant colors, giving you limitless possibilities for expression in your 3D projects. Universal Compatibility: Designed to be compatible with most 3D pens, these 2.5mm filaments are versatile for any that accommodates this size. Eco-Friendly: Made with eco-conscious materials, these filaments are biodegradable, non-, and odorless, making them safe for home and classroom environments. Package Includes: Each pack contains multiple rolls of filament, ensuring you have ample supply for various projects and color needs. Color: As shown Material: Resin Package Contents: 110 x Refills Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.