Originated in 1988, with more than ten years history, phoenix produces the best quality stretched canvas in China. The products have been approved FSC, CE, MTL-ACTS and EN71 certificates. Phoenix is the most professional canvas manufacturer with a wide range of canvas, consisting of all types of canvas from different countries.Artists'Quality AE5331SB 3/4" Staples on the Back AE5331B-SB 1.5" Staples on the Back 85% linen & 15% cotton, fine grain, ±350g/m2 pine / paulownia stretcher bars AE5318SB 3/4" Staples on the Back AE5318B-SB 1.5" Staples on the Back 100% linen, medium grain, ±450g/m2 pine / paulownia stretcher bars AE5317SB 3/4" Staples on the Back AE5317B-SB 1.5" Staples on the Back 100% linen, coarse grain, ±650g/m2 pine / paulownia stretcher bars Professional frame construction with kiln-dried,beveled stretcher bars avoid to be touched by the brushes on painting 8pcs of wooden wedges to re-tighten the canvas Stretched by hand for the best tension and tailored corners Triple primed with acid-free acrylic gesso Acrylic titanium primed for use with oil or acrylic painting Balanced absorbency and tooth prevents sinking of oil colours and improves adhesion