NEW ThreadNanny CZECH Quality 3mm/10ss 10gross (1440pcs) HotFix Rhinestones Crystals Navy Blue (Sapphire) Color 10 Gross (1440 Stones Total) Hotfix Crystal Rhinestones Size 10ss (3mm) Extra Sparkle Navy Blue (Sapphire) Color Crystal. These are not those Cheap Acrylic ones which other sellers are selling. Precision cut multi-faceted - flatbacked Glue on bottom makes them easier to attached 3mm Size (10ss). Other sizes available too.