Easy to Position: Clear design is easy for positing stamps, and helps you stamp images exactly where you want them. Premium Material: Stamp coloring board locating is made of high quality acrylic material, which is sturdy, wear resistant, lightweight, and durable. Nice Helper: Stamp positioner is the ideal tool for the precision placement of stamped images, for a variety of art and craft projects. Multi Purpose: Stamp positioner is great for creating straight borders, designing scenes, calligraphy practice stamping letters, shadowing image, and even re stamp image that didn't make a full impression. For Everyone: Stamp positioner ruler is great for students, beginners, artists, calligraphers, home, and school art activities. Specification: Material: Acrylic Color: Clear Package Includes: 1 Stamps Positioning Ruler Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!