Material: Plastic + Alloy Size: 7.3*6*3.5cm/ 2.9 * 2.4 * 1.4 inch Color: White, Blue Package includes: 1pcs*Corner Rounder Punch Versatile Corner Rounder: This tool offers 3 different sizes (4mm, 7mm, 10mm) for rounding corners, catering to various needs in crafts, scrapbooking, card making, and more. Compact and Convenient Design: The small and cute size (7.363.5cm) makes it easy to handle with one hand, suitable for both adults and children to use for creative projects. Construction: Made with a combination of plastic and alloy, this corner rounder punch features a sharp metal that cuts cleanly and precisely, ensuring a neat finish on your paper projects. Easy to Use: Simply aim the paper corner, press down with one hand, and cut smoothly to create rounded edges. The ergonomic design and smooth operation make it user-friendly for all ages. Usage Tips for Optimal Performance: While the tool is effective on cardstock, scrapbook paper, and business cards, it's recommended to avoid using it on excessively soft or thin materials. Using multiple paper layers can enhance cutting performance, and keeping the paper dry ensures smooth operation. Additionally, refrain from using sticky paper to prevent any sticking issues.