Features: Effortlessly create grids and equal divisions with this rolling stamp, designed for quick math corrections, spelling practice, and craft projects through its smooth roller mechanism. Crafted from sturdy, wear resistant plastic, this double line stamp delivers imprints every time while maintaining structural integrity through repeated classroom or home use. Ideal for students needing homework helpers, teachers organizing worksheets, parents assisting with learning activities, and enthusiasts crafting scrapbook layouts. For creating structureds templates during classroom lessons, homework correction kitchen tables, or portable learning supplies in libraries and study groups. Portable enough to slip into pencil cases yet versatile enough to mark fabrics, paper craft, and study materials, this stamp doubles as a productivity boosters and tool. Specifications: Materials: Plastic Color: Black/Green/Pink Size: 4.5x2.8x6.2cm/1.77x1.1x2.44inch Package Includes: 1pc Roller Stamp note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.