<p><b>How to Open the bottles?</b></p> <p>Use the Opener to open the plastic insert. Put the edge of the opener underneath the plastic insert and push down. The plastic insert would pop out.</p> <p> </p> <p><b>Package Includes:</b></p> <p>3 * 10 ml Amber Glass roll-on bottles</p> <p>3 * 10 ml Blue Glass roll-on bottles</p> <p>3 * dropper</p> <p><br></p> <p><b>NOTICE and TIPS:</b></p> <p>This roller bottles set is leak-proof designed, so the black lids is maybe a little tight for the bottles. To protect your precious essential oils, please kindly use more strength to screw it on tightly.</p>