Triple primed, 100% acid free cotton 10.3oz canvas weight Medium smooth texture for better adhesion and is ideal for all techniques, holding heavier color applications without cracking. Suitable for use with paint markers, sprays, oil, and acrylic. Clean edges allow painting around the sides for a contemporary look, can be hung without framing. Professional framed construction with kiln dried 0.78” width/1.38” pine stretcher bars. Includes corner wedges for tension adjustment.