Vibrant AB Coating: resin flatback rhinestones shine with jelly resin gems' iridescent sparkle Flat Back Easy Application: diy nail art stones adhere firmly no slipping during craft work Multiple Grid Storage: ab color rhinestones stay sorted in a craft embellishment kit box Versatile Craft Use: flatback resin crystals suit mixed color rhinestones for jewelry making Smooth Resin : round shape uniform size makes diy jewelry making supplies essential