Glow in The Dark Neutral or Day Visible Large Grain Sand Crystals 1oz Bag + FREE UV Black Light Key Ring + FREE Shipping Glomania Glow in the dark Sand CrystalsThis is the largest size of Glow in the Dark Crystal that we can currently produce – (1mm to 2mm) in size. Choose the color you want from Neutral Whites that Glow a color in the Dark to Neon Colors that also Glow in the Dark Not sure which one is suitable, try our 4 color Neutral Sasmple set!All orders come with a FREE UV Black Light Key Ring and FREE SHIPPING ( USA Only)