Features. Premium acrylic gesso formulated exclusively for provides an acidfree, nonyellowing 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. Cradled back ensures no warping, flexing, stretching, and makes for easy hanging. Accepts virtually any medium and is ideal for showcasing detailed or fine brushwork. 0.87 in. Poplar cradled White Gesso faced painting panelSpecifications. Color White. Collection Gesso. Size 24 x 24 in.. Flat Size 0.87 in.. Weight 3.7 lbs