Each Beadcord card features top quality German made Griffin bead cord. These cords are the finest quality tight woven silk cords. Simply take it from the card and off you go. Doubling the thread is not necessary with his brand of cord. Easy to handle because the thread has the correct twist. These cords are for stringing pearls and beads. 100% natural silk, comes complete with needle fixed within the cord for easy beading.