Premium 13x18mm teardrop-shaped glass crystals with high-precision claw AB coating for brilliant multi-color refraction. Flat back design ensures secure attachment via sewing or gluing. Machine-cut strass stones feature flawless facets and consistent sizing (tolerance ±0.2mm). Ideal for couture dress embellishment, bridal needlework, and luxury accessory crafting. Each piece undergoes triple-polishing for smooth edges that won"t snag delicate fabrics. Bulk packaging available for wholesale designers - minimum order 1000pcs. Non-tarnishing nickel-free alloy backing guarantees long-term durability. Compatible with all standard rhinestone applicator tools.