Convenient SimportInsulated Microcentrifuge Tube Storage Boxes combine the strength and durability of a high impact polystyrene shell with the flexibility and insulative properties of a polyurethane foam insert. Use it to hold up to 64 tubes from 0.5mL to 2mL. Box withstands temperatures from –90°to 80°C.
Transparent cover allow you the see the contents of the box and is keyed to the base in order to prevent misalignment. Cover is imprinted with 1 to 64 numbered sequence of cells to help identify each tube. Cover will accept marking pens to further aid in identification. Box measures 5 1/4L x 5 1/4W x 3H".