The gently radiused edges provide added strength and complement the curves of the ASI Roval™ Collection. Mirror frame and 6” wide curved edge shelf are fabricated of 18 gauge type 304 stainless steel with satin finish. Mirror frame has polished seamless mitered corners. 0.25” (6.4 mm) thick plate glass mirror. Warranted for 15 years against silver spoilage. Choice of sizes.