Sealed Vial found in: Seals For 15 X 45 mm Snap Seal Vials, 11mm Crimp Seal Vials, 12x32mm, Snap Seal Vials - 12 x 32mm, Seals For Headspace Vials,.. The new Finneran SPME Vials with a thicker lip are ideal for most SPME applications. with a thicker lip are ideal for most SPME applications.