SMOK V8 Baby-Q2 Coils features a five-pack of replacement coils for the Smok Baby Beast Tank as well as the Big Baby Tank. These coils utilize a sextuple coil design made with pure organic cotton, with a wattage ranging anywhere from 40-80W and a prime wattage of 55-65W. Enjoy full-bodied flavor and sweet puffy clouds with these delightful Q2 coils! Product Specifications: Organic Cotton Resistance: 0.4 ohm & 0.6 ohm Recommended Wattage (0.4 Ohm): 40W – 80W / Best 55W – 65W Recommended Wattage (0.6 Ohm): 20W-50W / Best 30W-40W