The Lost Vape Ursa Nano pods carry 2ml of e-liquid and are designed for use with the Lost Vape Ursa Baby Pro Pod Kit. The three pack pods have either a 0.6Ohm or 0.8Ohm built in coil for mouth to lung vaping. The pod has a convenient side fill design that makes refilling e-liquid quick and straightforward. The pod is a 2ml refillable pod with a leak resistant construction. It is compatible with any e-liquid, however it performs best with a 50VG/50PG mixture.