<p>The 100 Pcs 20mm Flip Off Caps:</p> <p> </p> <p>Color: Red</p> <p>Flip Off Caps Size: 20mm Diameter Flip-Off Vial Seals.</p> <p>Pharmaceutical Caps Material:  Aluminum-Plastic.</p> <p>Item Packaging Quantity: 100 Pcs Plastic-Aluminum Flip Off Caps.</p> <p>Unique Design:This cap is half tear type, that means when you tear off the plastic cap of it, the aluminum cap can no longer be used. </p> <p>Note For Use: The cap is not sterilized. You can sterilize it if necessary. The cap can be sterilized by high temperature.</p> <p>Acuteye Brand - Buy from a brand you know and trust - Acuteye products are exclusively distributed by Acuteye-US.We believe in our products, if you have any questions about the products, please contact us!</p> <p> </p> <p>NOTE:</p> <p>Due to different light and screen setting, the color of the actual item may slightly different from the images shown.</p> <p>Due to manual measurement, the size of the actual item may have 1-3mm slightly different from the description.</p>