YES INTRO is our easy way for you to try three different YES natural lubricants in three different formats, YES INTRO pack contains: YES WB water based natural lubricant certified organic 50ml / 1.7fl oz tube 7ml / 0.38fl oz sachet 5ml / 0.17fl oz pre-filled applicator YES OB plant-oil based natural lubricant certified organic 40ml / 1.4fl oz tube 7ml / 0.38fl oz sachet 5ml / 0.17fl oz pre-filled applicator New & different formulation to YES OB 40ml and 7ml products