• 0.75″ (19.05 mm) thick canvas. • Canvas fabric weight: 10.15 +/- 0.74 oz/yd² (344 g/m² +/- 25g/m²). 20″×28″ 50.8 71.1. 18″×24″ 45.7 61. 16″×20″ 40.6 50.8. 16″×16″ 40.6 40.6. 12″×18″ 30.5 45.7. 12″×16″ 30.5 40.6.
eBay