Artist Supplies Below is a range of consumables we can supply to artists to assist with their work. Stretched canvases in primed 10 oz. cotton on 33mm deep stretcher bar. 40cm x 60cm $60, 75cm x 50cm $75 and 90cm x 60cm $90 Soft strand plastic coated wire. $1.00 per metre 25mm d-ring 15c ea. 20mm d-ring 10c ea.