This listing is for 10 cartridges only, if you wish to buy a full box of 50 ps, please add 5 in quantity. Product Specifications Product: Hurons Lidocaine InjActive Ingredient: Lidocaine HydrochlorideConcentration: 2% / 20 mg/mLEpinephrine: 0.01 mg/mLVolume: 1.8 mL per cartridgePackaging: 10 cartridges × 1.8 mL Dosage Form: Clear, colorless injectable solution