Our grosgrain ribbon is 100% polyester and it is constructed of a sturdy weave and durable with soft material. 1/8 inch (approx 3mm) wide and 100 yards length, ribbon comes in a plastic roll spool. Both sides have the same degree of sheen, the best texture and less twisting. Great for wedding invitations, waist, bridal bouquet, corset lacing, gift wrapping ect.