... , (with 304 imported steel materials imported from Japan) Style: no pattern, engraving, carving patterns, single-sided, double-sided, flat, diamond etc ... steel, (with 304 imported steel materials imported from Japan)no pattern, engraving, carving patterns, single-sided, double-sided, flat, rhinestones,etcplating ... products and perfect after-sale service, thank you! Metal Lron Garment Rivets