MULTI-USE: Heavy-Weight 8-Ounce Primed Surface accomodates all types of media types - Acrylic, Oil, Watercolor, Tempera, Gouache, Pouring, Airbrushing & More. DURABLE CONTRUCTION: 100% Cotton Canvas Surface - Hand Stretched & Glued Over High Quality MDF Cardboard Backerboards PROFESSIONAL ARTIST QUALITY: 1/16" Thickness Profile & 8-Ounce Triple Primed with Acid-Free White Gesso