#4 Canvas Duck - Natural
Cotton, Greige duck fabric (Natural Canvas).
a premium quality canvas that uses a numbering system
to identify specific weights. They are double filled as
opposed to single filled material. The lower the canvas
number the heavier the weight per square yard. For example,
#4 Duck is a heavyweight canvas while #12 is a lighter
weight fabric. Each of these are used in a wide range
of applications and products such as bags, tarps, awnings,
tents, linings, boat covers, upholstery,
and many more!