Clear, 1.5ml micro centrifuge tube with lid Fits most common rotors and may be spun up to 20,000 RCF, virgin polypropylene Free from flash, air bubbles, and streaks, and has uniform wall thickness for consistent, repeatable results Cap is flat with consistent thickness for trouble-free piercing and forms a tight, leak-free seal that is easy to open, even when wearing gloves Color: Clear, Disposable, non-sterile, Pack of 500 Pcs. Product description The 1.5ml micro centrifuge tube with lid fits most common rotors and may be spun up to 20,000 RCF. Manufactured from virgin polypropylene, the highly translucent tube is free from flash, air bubbles, and streaks, and has uniform wall thickness for consistent, repeatable results. The cap is flat with consistent thickness for trouble-free piercing and forms a tight, leak-free seal that is easy to open, even when wearing gloves. Color: Clear. Disposable. Non-sterile. Volume: 1.5ml. 500/Pack.