Opti Lube Lubricating Jelly Sachets 150x 5g Opti Lube is a water based, water soluble gel, which has a non sticky, non greasy formulation. Opti Lube will not damage rubber or metal & is safe to use on human tissue. Suitable for use in gynaecological exams, electrotherapy, cystoscopic, digital examination & introducing airways or where additional lubrication is needed. Water Soluble Lubricating Jelly Sterile & greaseless Safe for use on human tissue This product contains 150 sachets of 5g Opti Lube.