Laser-engraving blank size: length: 1.96 inches (50mm); Width: 1.18 inches (30mm); Thickness: 0.039 inch (1mm); Number of holes: 1, hole diameter: 0.11 inch (3mm).Necklace size: 2.4 mm diameter ball, chain length 24 inches.Features: These Laser-engraving blanks are made of aluminum, light weight, not easy to rust or fade, and can be stamped, stamped and . They are without sharp edges. The necklace will not rust because it is made of stainless steel. The chain is long enough for you to wear.Wide application: blank pet tags can be used as ID tags for pets, such as and , as as decorative accessories for key chains and bags; The name, telephone number and address can be on it.Material: Aluminumcolour: SilverPackage Contents:25 x blank shielded aluminum Laser- label (50 x 29mm)25 x necklace (60cm)Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.