Anodized Aluminum is a process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process increases corrosion resistance and wear resistance, and provides better adhesion when applying the coloured coatings. Anodized Aluminum Chain is a light weight and economic alternative to precious metal chain and is available in numerous styles and many colours. Chain can be purchased on either a retail friendly Card of 36inchs or a 20 foot spool . Beaders can us Aluminum chain with a simple pendants, or they can embellish with beads or charms to create truly unique Necklaces Bracelets or Anklets.