Houston Texas Map Cufflinks - the perfect gift for GROOMSMEN, Graduation, and the Dad that has it all. Silver plated cufflinks for men and women. Cufflinks are 16 mm (5/8 inch) in diameter. Handcrafted with a crystal clear glass dome on top that enhances the artwork. NICKEL FREE and allergy safe. More cufflinks are HERE, you can also custom order - just call or text us at 816.878.2278.