About: The Artist Leaning Bridge is Available in three different lengths and made to completely fit over Canvas board, stretched Canvas, paper stock, pad or block. This transparent stable and sturdy Heavyweight acrylic shelf Allows you to add detail and highlights onto your Painting without smearing, smudging or soiling. Great for adding straight lines with pen or brush and for keeping a more steady hand. Features: Available lengths: 18in, 24in, 31in (All lengths are 1.5” tAll and 3” wide). Made Of Heavyweight acrylic. Transparent shelf. Rest your hand on bridge, not your art. High enough to clear a 31in. wide pres-stretched Canvas. Working comfortably. Usage: Standing above Canvases up to ¾” thick. Watercolors, acrylics, oils, and other wet media. Drawling level lines with pen, Colored pencil, graphite, charcoal, or pastel. Clean adjustments and Details on art; adding detail and highlight to your art without smearing.