Biologix Group is based in China and lists PP Cryogenic Boxes on Global Trade Plaza. Five assorted colors are offered: white, yellow, pink, blue, and green. White cardboard freezer boxes have a glossy coating while the other colors have a matte coating, and a water‑resistant coating improves durability. White models 90-1281 and 90-1200 without outer coating are also available. The boxes hold 0.5 ml, 1.5 ml, 2.0 ml, 5 ml and 10 ml tubes as well as 15 ml or 50 ml centrifuge tubes, with a working temperature range from -196 °C to 121 °C suitable for liquid nitrogen freezing in vapor phase. Buyers can send an enquiry through Global Trade Plaza.