The Snap Seal™ Vial can be securely sealed with the patented Poly Crimp™ Seal, an aluminum crimp seal or a variety of Snap Top Cap™ designs. Learn More Request Availability Standard Opening Screw Thread Vials, 12x32mm, 8-425mm Neck Finish Rating: Narrow opening allows use of 8-425mm closures and septa. Learn More Request Availability