Description Perfect for laboratory research, this white freezer box with grid design and flip cover is ideal for storing microcentrifuge tubes in low-temperature conditions. Its paper material ensures samples stay dry and organized, making it an essential tool for any lab.-freezer food box Features - Color: White -Material:Paper - Size: 13.20X13.20X7.50cm/5.19X5.19X2.95in - Strong and cold-resistant, the holder is suitable for low-temperature environments.-Microcentrifuge Tube Container - The grids design allows for storing multiple samples at the same time, facilitating classification and management.-freezer organizer - box is suitable for laboratories research, experiment, and other fields.-microcentrifuge tube graduated holder microcentrifuge tube holder-Perfect For Laboratory Research Ensuring Efficient Sample Storage In Low-Temperature Environments Ideal For Microcentrifuge Tubes And Other Small Specimens-microcentrifuge tube rack Microcentrifuge Tube Storage Holder-White Rectangular Design With Grid Layout Perfectly Fits Microcentrifuge Tubes-freezer food storage box cell freezing container-The microcentrifuge tube box is made of paper material, effectively preventing samples from getting damp-Microcentrifuge Tube Storage Box freezer storage containers-Grid Design Ensures Efficient Classification Management For Microcentrifuge Tubes In Laboratory Research-freezer container storage freezer containers-Grid Design With Flip Cover Facilitates Easy Access And Classification Management Of Microcentrifuge Tubes In The Freezer-sample storage container