This bar is made of 24k (999) yellow gold. The product is 14.47 mm in length and 8.37 mm in width. Certified 1 gm 24 carat gold bar 999 purity pure with tamper proof packaging, embossed with gold purity and weight.This product is certified by Kalyan Jewellers. No returns accepted, Buy Back and Exchange is available. Please inspect the package for any tampering before accepting the delivery