Comes in Navy Blue or Off White. Sinamay is one of the most popular hat making  foundations in the works. It is woven from processed stalks of the abaca tree, a type of banana native to the Philippines. Abaca fiber is three times stronger  than cotton or silk, and a fabric made from 100% abba a can last for over 100 years. Perfect hats for tea parties, the Polo Club, Kentucky Derby, church gatherings, Easter Sunday Service, Mother’s Day Brunch, British Vintage Church Services, Sorority event or many special events that call for pretty woman style hats. Most of hats have pull strings inside for size adjustment. One size fits most and has inside adjustable ribbons to make the hat tighter. To make the inside fit tighter, you would simply pull the ribbons inside tighter.  Ships from Houston Texas by Social Butterfly Collection.