Item # Description Case Pack
  31020SP-2346 10mL SPME Clear Rounded Bottom Vial, 23x46mm, 20mm Flat Top Crimp, Thicker Lip Finish 1000 pieces View Product
  32020SP-2375 20mL SPME Clear Rounded Bottom Vial, 23x75mm, 20mm Flat Top Crimp, Thicker Lip Finish 1000 pieces View Product

The SPME vials with a thicker lip are available in 10mL and 20mL vial capacities. The thicker lip maintains a tighter seal. For SPME applications, a 20mm aluminum seal with a thin septum would be ideal in order to extend the life of the needle.