These canvases are a good quality, economical option for students, and back stapled for easier re-stretching. The 5/8" thick stretcher bars are made of solid pawlonia wood, a light and sturdy softwood from north Asian forests that resists warping. Sold in packs of two.
Canvas care — Because they are made of natural materials, changes in temperature and humidity may cause stretched canvases to shift or adjust over time. To enhance stability, store them vertically in a climate-controlled space.