The 3 piece terp slurper marble and pill set from Pulsar includes a mixture of sizes that are perfect for use with a terp slurper banger. Terp marbles assist by stirring concentrates via airflow and regulating airflow as a marble cap. Multiple colour options available. Marble set approximate sizes are 22mm, 11.75mm, & 6mmx15.5mm. Please Note that the terp slurper bangers are sold separately and are shown for illustration purposes only. **Caution:** Only apply heat to the bottom dish of your terp slurper banger. Heating the bucket where the centre bead is located can cause thermal shock and crack it. Terp Marble Set Features: Use: Concentrates Size: 22mm | 11.75mm | 6mmx15.5mm Mixed Size Terp Beads Colourful Marble Designs Borosilicate Glass Material Perfect for Terp Slurp Bangers (Not Included) Assorted Colours (Colours Vary)