Vibrant color selection 30 striking colors to choose from, enabling you to create eyecatching designs that stand out. Material Made from MATERIAL, these filament refills provide a sustainable option for your projects while remaining userfriendly for all skill levels. Compatibility Compatible with all 75mm pen printers, making them accessible for everyone from novices to experienced users. Key benefits Rich color options help you differentiate products and express creativity without color limitations. Sustainable material supports ecofriendly projects and reduces waste while staying easy to handle. Universal compatibility with 75mm pen printers minimizes setup issues and broadens who can use them. Simple, userfriendly experience suits beginners and seasoned users alike. Use scenarios Prototyping and concept models for product development or classroom demonstrations. Custom art, decorations, and personalization projects such as jewelry accents, tags, or decorative pieces. Educational activities in schools or maker spaces, enabling handson learning with vibrant colors.