Joe Miller 1-1/2" Signature Gessoed Painting Panel - 16" x 20"Joe Miller Signature Series Gessoed Painting Panels are crafted from hardboard with a double coating of acrylic gesso. These artist panels are acid free and cradled with a solid wooden frame for durability and rigidity. Each panel is warp resistant and ready to paint on, eliminating the need for priming or stretching your painting surface. The gesso coating covers the edges of the cradle and can be painted or left as is for a clean, frameless