CryoKING® Cryogenic Vials with pre-assembled Red, Green, or Blue Caps, Case of 1000. Size Options: 05ml, 1.0ml, 1.5ml. All tubes come with a 1D on the side and with or without a 2D on the bottom. (Includes 2 Free CryoKING® Cryoboxes with Purchase)

Superior sealing with Patented Dual α Ring Seal technology, patent number D869275 Manufactured with ultra pure gasket seal materials in caps and medical grade ultra clear USP class 6 plastics for Tubes Double Start Threads provides greater thread contact area for superior strength…

Polypropylene tubes Without caps.