GSM = Grams per square meter (550 GSM = 19.4 Oz per 10.76 ft sq)
Consists of 550 GSM rip-stop canvas which is treated with UV protection, anti-microbial and is waterproof.
The canvas is also available in a number of colors as well as with the option for fire retardant
There is one canvas option which includes “blockout” which prevents silhouetting through the canvas.
Silhouetting will not occur through this insulated canvas.