USA Made Chartreuse Yellow BeadsAcrylic PlasticThese are slightly opaque allowing some light to pass through100 count by weightThese are approx 10mm DiameterHole Size Approx 1.60mm or .063" These will be in a convenient resealable bagThese beads are fluorescence (not phosphorescence) So they will not continue to glow after all source of light is removed FREE SHIPPING