Approximately 30 grams of beads in a 6 inch tube. Duracoat is a durable clear coating to prevent fading, chipping, rubbing off or tarnishing in dyed and metallic beads. "Protect your hard work and creativity with Duracoat. A strong and long-lasting coating, it'll keep your dyed and metallic beads looking bright and beautiful. No more worries about fading, chipping, rubbing off, or tarnishing. Keep your designs shining through it all!"