Serum Vials Clear 13mm Top 2, 4ml 20mm Top 7, 10, 13, 20, 23, 30, 50, 100ml Amber 13mm Top 2ml, 4ml 20mm Top 7, 13, 23, 50,100ml. 10ml 20mm Top Clear Neutral / Schott Borosilicate Type I Glass Vial Special Discount (Bulk) Carton Qtys . . . ASK!) 20mm Crimp Top : 324-pk : $181.44. Note : Slab Sizes - different for vials sizes