Janlaugh 20 Pack Alcohol Resistant Laboratory Markers, Black Dual Head Permanent Freezer Pens with 0.5mm Fine Point and 1.0mm Makers Tip, Designed for Industrial, Lab and Hospital Use

Features: Long lasting tag: Our marking pens can provide accurate, clear, and permanent markings in daily life and in the laboratory, making your work more efficient. Featured double heads: The 0.5mm fine pen tip allows you to make good marks and write more content when there is insufficient writing space. The 1mm thick pen tip allows you to write eye catching markings on the carrier. One marker, two uses. Specifications: Material: plastic Color: black, red, blue Size: about 5.7 inches/ 14.5 cm Package includes: 12 x Black double ended pens 4 x Red double ended pen 4 x Blue double ended pen Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Alcohol Resistant: our alcohol resistant markers pens are designed for laboratories; They have high resistance to most solvents and can maintain clear reading and writing in various environments; Please note that you need to wait until the ink is dry before it can be alcohol resistant
• Innovative Double Ended Pen: our pen is a double ended pen with two thick and thin nibs, which can satisfy different writing volumes; It provides professionals with marking and identifying labels for any items to improve productivity
• High Tolerance: our pen still displays clear handwriting even in low temperature environments of -80℃/-112℉
• High Applicability: this pen can be written on various laboratory container carriers, including glass measuring cups, plastic centrifuge tubes, freezing tubes, petri dishes, and storage bags; It provides you with long term and stable markings
• Practical Set: our set has a total of 20 pens in 3 different colors, namely 12 black, 4 red, 4 blue, which can help you identify and compare different items; Sufficient quantity to provide you with a long time usage