QR code is preset on the bottom, 1D code and digital code are preset on the side, three codes in one PC box
Various options for inner and outer screw caps.The outer screw cap is suitable for 9*9 (81 compartments) standard freezer boxes, and the inner screw cap is suitable for 10*10 (100 compartments) freezer boxes
Seven colors for the cover: red, white, blue, green, white, purple, orange.

High polymer polypropylene (PP) material, in line with USP Class VI, excellent chemical resistance
Various options for inner and outer screw caps.The outer screw cap is suitable for 9*9 (81 compartments) standard freezer boxes, and the inner screw cap is suitable for 10*10 (100 compartments) freezer boxes
Seven colors for the cover: red, white, blue, green, white, purple, orange.