Color classification: Gold, silver, champagnePendant material: 316 titanium steel Chain material: 316 titanium steel Craft: Laser engraving Size: abt. 2cm/0.78" diameterCustomization process:Select the color → Upload the pet portrait → Place the order → Contact customer service to confirm the effect picture → Make the necklace and ship outUsually, it will take 3 - 7 working days to finish the necklace.