fire retardant canvas tarpaulins protect or conceal your equipment or supplies while eliminating condensation. This flame retardant finish will not support combustion. All double-stitched seams and hems with brass tie-down grommets spaced approximately 24″ apart all around. Custom sizes available upon request. Pre-finished size tarpauline may actually finish 3-5% less in size. Need to specify on the po if a specific finished sizes is required.