eCrafty.com 3.6 by 3mm 500-Piece Sea Glass Beads Beach Glass Ocean Mega Mix Spacers, 50gm, Blue/Green/White Over 500 beach glass, sea glass finished translucent beads. Great for DIY earrings, necklaces, etc. 3.6x3mm (about 8 per inch or 1/6" each). 50 gram bag. Bead holes 1mm. Every beader needs a bag of these! These larger glass seed bead spacers are just the right size when you need something larger than seed and smaller than crystals.