12' Right Triangle White Color Premium Quality Heavy Duty Sun Shade Sail Made in USA Made in the USA with commercial grade materials. Marine grade 316 stainless steel corner rings Meets NFPA 701 - 2010 and ASTM E-84 Class A fire standards Blocks over 80% of harmful UVA and UVB rays A very strong 1 1/2" webbing is sewn throughout the perimeter with double rows of locking stitches Extremely strong and suitable for commercial applications. No Seams!