ITEM NAME:10pcs 5ml Graduated Cryovial Test Tube Sample Vial w/ Screw Cap Description: Plastic graduated tube with screw caps for laboratory test for samples, Essential Oils, Fragrances, Dyes, Model Paint, Crafts, Beads, etc. Switching from glass cylinders to Globe’s plastic equivalents will greatly reduce breakage and the potential for injury It can be stored at low temperature ( Approx. -180 ℃ ), convenient, good sealing performance Material: Polypropylene plastic Main Color: Transparent Specification: Mark: 1ml 2ml 3ml 4ml 5ml Measure: 5ml Depth: Approx. 5.9cm Diameter: Approx. 1.6cm Package Includes: 10 x Cryovial Test Tube SKU: DMO0011859951005986.(10 x Cryovial Test Tube. Mark: 1ml 2ml 3ml 4ml 5ml. Switching from glass cylinders to Globe’s plastic equivalents will greatly reduce breakage and the potential for injury. -180 ℃ ), convenient, good sealing performance.