Southworth Certificate Holder, Black, Linen, 105 lbs., 12 x 9-1/2, 10/Pack Southworth PF18 Certificate Holder, Black, Linen, 105 lbs., 12 x 9-1/2, 10/Pack Quality holder is made of heavyweight 105-lb. linen cover stock that helps convey the significance of the award. Provides quick display. Die-cut corners, with attractive curved edge, provide easy placement of certificate. Holds certificates for landscape or portrait presentation. Perfect for teachers, coaches, businesses, more.