This is a metallic knitting yarn from Filitura di Crosa. It is called New Smoking and is a heavier weight than their Night metallic yarn.
These balls are shade #07 which is white.
It can be used alone to knit a glamerous vest or top or or as a carry along yarn to adding a hint of sparkle to your knitted garments or projects.
The vest in the photo is knitted in this yarn.
Please click on the thumbnails to enlarge the view