Kentucky Derby Church Tea Small Brim White Hat Flower Accent Cloche Sinamay Hat Made of 100% sinamay straw. You can get the order in 7-12 days! ONE SIZE fits most with size adjustable string inside, fitting up to 7 1/4 Crown measures 4.5 inches deep, with decoration hat band Brim measures 2.5 inches wide, downturned. Thin, stiff and light mesh material.