European White Spring Steel Bones are used to support corsets as well as haute couture garments. These metal stays offer limited flexibility, great for Elizabethan costumes and for serious corset wearers. Hand wash or dry clean, never machine launder. This high quality spring steel boning  import is a especially strong, and an exclusive from Farthingales. 6mm wide x .6mm thick, choose your length from the drop-down menu. Corset Bones - 6mm (1/4") European White Spring Steel Bones - #50-8206. Priced per bone. This corset boning material is made in Germany. To view a side-by-side comparison of all our cut length bones, please click the prompt that appears below the photo.