Material: Glass

- Size: Opening is about 2.5mm

        The bracelet Cord could be adjustable

- Remarks:

Silver-plated screw metal caps are glued well for you,and they are very easy to screw on &off. You can put anything you like inside ,such as perfume,essential oil,mini dry flowers,lucky beads ,natural stones,shells and fancy charms or what ever you want to become your special gifts to your lovers & friends...