Features. Premium acrylic gesso uniquely formulated to provide an acid-free, non-yellowing, archival surface. Panels are ready to use or can be sanded to achieve various desired textures. Constructed with a Baltic birch wood face and a smooth solid poplar wood cradle frame around the back. The back and cross brace ensure against warping, flexing, and stretching and makes for easy hanging. Accepts virtually any medium and is ideal for displaying detailed or fine brushwork. 1.62 in. Cradled Poplar White Gesso Faced Paint Panel Specifications: Color: White. Gesso Collection. Size: 5 x 5 in. Deep Size 1.62 in. Weight: 0.7 lbs