KINGART stretched canvas multi-size set includes 10 canvases across five popular sizes, offering flexibility for sketches, studies, and finished pieces. Each canvas is made from 100% cotton with a medium-grain surface and is triple-primed with acid-free titanium white acrylic gesso, providing a smooth, ready-to-paint surface right out of the pack. Canvases are 280 GSM (with primer), have a 5/8" profile, and are back-stapled to durable pine stretcher bars for a tight, secure stretch. Suitable for acrylics, oils, and other wet or dry media, this set is ideal for beginners, students, hobbyists, and professional artists alike. Conforms to ASTM D-4236.