Designed to fit onto the top of our star and round base cryogenic vial closures. Provide quick visual indentification of specific vials for ease in organizing inventory. Compatible with all of our cryo vials except P60102 and P60103 skirted base cryo vials. Additional Info: Cryo Coders For Star And Round Base Vials, High Density Polyethylene, Yellow, Pk/100 Package Size(L x W x H): 5 X 5 X 2 (IN) Categories: Vials, Cryo HTS Code: 3926.90.9910 UNSPSC: 4.11218e+007 Country Of Origin: INDIA