3/4" STUDIO DEPTH PANELS: Pack of 2 premium artist quality 16" x 20" x 3/4" deep studio depth cradled birch wood paint pouring panel boards. Premium sturdy unprimed smooth birch surface panels that are ready for primer or gesso. ALTERNATIVE to CANVAS: Provides a firm smooth painting surface that will not stretch, flex or bend like traditional canvases. Panels have smooth sanded birch faces with solid wood cradles that ensure strength, so there will be no warping. Easy to hang, as no frames are necessary. IDEAL for MIXED-MEDIA: Panels are excellent for paint pouring and most art and craft projects, as they can be used with all types of mixed-media including oil, acrylic, watercolor, tempera, encaustic, collage, decoupage, impasto, photos, drawing etc...