Untarnished Material: Thick Real Silver Plated, Internal material: Copper, processed by color preserving process and will not fade in a short time Diameter: 6mm Hight: 2.5mm Hole size: 2mm WIDE USAGE: Beads are excellent for DIY bracelets, necklaces, earrings and decorations, jewelry making design Package includes: 50pcs 6x2.5mm roudelle spacer beads Storage: Coming in an organizer box, easy to store and carry BEADIA Silver Plated Roudelle Spacer Beads 6x2.5mm 50pcs for Jewelry Making Findings Non Tarnish