Pendant Size: 25x21.5mm Personalization: Select 4 birthstones, with 4 engravings of up to 8 characters each Choose four birthstones. Use the letter key below to represent the months. Selection must be made using capitalized letters: A=January B=February C=March D=April E=May F=June G=July H=August I=September J=October K=November L=December Gemstones may be treated and may require special care. Jewelry photos are enlarged to show detail. Features: Personalized, Family Jewelry, Quick Ship Link Construction: Solid Stone Cut: Round Metal Color: White Chain Length: 18 Inch Chain Width: .9 Millimeters Chain Construction: Cable Care: Wipe Clean Authenticity: Simulated Stone Metal: Sterling Silver Necklace Type: Pendant Necklaces Assembled in the US from Imported Materials ALL SALES FINAL Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.