Multi-function collar stays size:2.0" 2.5",2.75",3. ... 1.0 mm Plating:gold,silver,black, engraving logo Specifications: Multi-function collar stayssize:2.0" 2.5",2.75",3.0 ... absolutely safe for you, honesty is the basis of doing business, please count on us !OEM & ODM,We provide OEM & ODM ...