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. Keep your jewelry looking fresh and vibrant with the help of Duracoat. Its durable clear coating will prevent fading, chipping, rubbing off or tarnishing in dyed and metallic beads, so you can enjoy your pieces for years to come.