Glass Crackle Bead Christmas Set-RED, GREEN & CLEAR MIX 4mm (600) Material: glass beads. Amount: 200 beads of each color (600 total). Size: 4mm average size; . 5mm hole size. Shape: round with slightly flattened sides around the stringing hole. Color: green, clear and ruby red with a crackle look. A few beads per set may need to be discarded due to misdrilling or some other defect.