CryuleŽ vials are designed to withstand temperatures between -196°C and 121°C. These vials also make excellent containers for small samples, such as fluorescent dyes, peptides and other expensive materials. Cryules can be stored in freezer boxes or plastic racks can be used for transporting samples. Externally threaded. Uniquely designed vials are more compact, and safely store the total labeled volume. Vials are supplied sterilized with caps attached, 50 per bag, 10 bags per case. 12mm diameter x 44mm high. Vials have a convenient white marking area.