The Darice Canvas Designer Ultra Stiff Canvas is a set of 6 sheets, each measuring 12"x18", designed for hand embroidery and cross-stitch projects. Made of plastic canvas with a 7-mesh count number, these white rectangles are perfect for creating beautiful designs with ease. The Ultra-Stiff nature of the canvas ensures a sturdy and stable surface for your embroidery projects, making it a convenient and versatile option for crafters and enthusiasts.