<b>Specification:</b><br> Material: Clear Glass Roller Bottle + Gold Aluminum Lid+Stainless Steel Roller Ball.<br> <br> Size :diameter:18mm/0.71 inch;height:57mm/2.24inch.<br> <br> Capacity:3ml.<br> <br> Bottle Color: Clear(as the picture shows).<br> <br> <b>Package Included:</b><br> 10 * 3ml Glass Bottle.<br> 10 * Stainless Steel Roller Ball.<br> 10 * Gold Aluminum Lids.<br> <br> <b>How to use the Essential Oils Opener:</b><br> 1, Removing the Stainless Steel Roller Balls: put the edge of the opener underneath the Roller Balls and push down. Roller Balls would pop out.<br> 2, Closing the Roller Balls: Once the Roller Balls pops out, find the correct hole in the center of the operner that fits your Roller Balls size. Place the correct hole on the top of Roller Balls and press down.<br> <br> <b>Warm Notes:</b><br> 1.Suggest you wash with Cold water or routine disinfection before you use it.<br> 2.Bottle uses high quality elastic glass, which is hard to break.<br> <br> <b>Satisfaction Guarantee: We strictly control the quality of our products.If you receive anything broken, please don't worry and tell us at once. We will send you replacement or refund within 12 hours.Thank you.</b>