Multiple color,absolutely round shape,accurate diameter(2.94-2.98mm,1.73-1.78mm),high tenacity,stable melting point,no bubble Advantagesuperb multiple color, asolutely round shape, accurate diameter(2.94-2.98mm,1.74-1.78mm), no bubble,high tenacity and stable melting pointColors15 colors,glow-in-dark ,black,white, transparent, blue, red , yellow, green,orange,pink,yasmine green,gold,silver, grey, ...