Ample Storage Capacity

• 3-inch Rings: These binders can hold up to 400 pages, making them perfect for large projects and extensive documentation.
• Streamlined Design: With no inside pockets, they offer a clean, clutter-free organization, optimizing space and managing pages efficiently.

Exceptional Durability

• Precision No-Gap Rings: Built to last, these rings are tested for 50,000 opens and closes, ensuring reliable performance and long-lasting use.
• For Professionals and Students: Whether you're a busy professional or a diligent student, these binders are designed to handle the demands of your daily tasks.

Premium Plastic Construction

• High-Quality Polypropylene: Crafted from high-quality, BPA/BPF/BPS-free polypropylene, these binders are waterproof and resistant to bending, folding, scratching, and tearing.
• Superior Strength: Stronger than standard vinyl binders, they offer dependable durability and ease of cleaning with their hospital-grade smooth surface.

American-Made Excellence

• USA Manufacturing: Proudly manufactured in the USA using US and imported parts, these binders demonstrate exceptional quality control and support local craftsmanship.
• Best of American Manufacturing: Reflecting the highest standards in American manufacturing, these binders are built to last.

Woman-Owned Business

• WBENC Certified: Carstens is a certified WBENC woman-owned business, dedicated to producing high-quality office supplies.
• Empowering Women Entrepreneurs: By supporting women entrepreneurs and promoting diversity in the workplace, Carstens aims to empower and encourage female leadership.