Description: Sausalito is #12 heavy cotton, 14 oz finished, sized and double primed with archival quality acrylic gesso, yielding an excellent ground for oils, acrylics, and alkyds; Robust paint-gripping texture, rugged body, ideal for heavy paint or impasto Solid Pine or Fir Stretcher Bars from the sustainable forests of the Pacific Northwest; No finger joints are allowed, which tend to fail under pressure and over time; Custom made box for safe transport Rock-solid patented double tongue-and-groove frame corners;, producing the ultimate frame support; Preinstalled corner & brace keys