You can make bias tape that can be temporarily bonded using an iron from any material you like.Set heat sensitive adhesive tape in the lower groove and a piece of fabric cut on the biasin the upper groove. Pull them together and iron to fuse.Package include: green 6 mm(1/4"); yellow 12 mm (1/2"); red 18 mm (3/4"); blue 25 mm (1"); 1 pc awl; 1 pc adjustable bias binder foot, snap on; 10 pcs ball point pins.Material: metal and plastic. Origin: made in China