Type I Glass Vials found in: Snap Ring Vials, Snap Seal Vials - 12 x 32mm, Dram Sample Vials, Limited Volume Snap Ring Crimp Top 12 x 32 Vials, Dram.. The new Finneran SPME Vials with a thicker lip are ideal for most SPME applications. The thicker lip vial creates a tighter seal on the vial.