Exerz 40x50cm Pre-Stretched Canvas 4pk - 1.7cm Artist Framed Canvas Blank/ 280GSM 100% Cotton/Triple Primed/Acid Free/Medium Grain/Professional Artist Acrylic Paint, Oil Painthe Package includes 4 pieces pre stretched blank canvases, dimension: 40 x 50 x 1. 7 cm. Made of superior quality artist canvas 100% Cotton, 280GSM weight, with a medium grain. Acid free and triple primed gesso. Triple priming creates a perfect painting surface that holds the colour and prevents the paint leakage through the back. Designed for use for Oil or Acrylic painting. Ideal for Artist and Amateur; Great for Artworks, Painting, Crafts, Home