Sold as a 10ml Bottle, available in 3mg & 6mg nicotine strengths. Vampire Vape® Vamp Toes E-Liquid (10ml). 6mg = 40% VG / 60% PG mix ratio. 3mg = 50% VG / 50% PG mix ratio. This will enable us to assist you more thoroughly with your request and to deal with any difficulties.