Description:<br />Material: Glass， alloy<br />Bottle Dia.: Appro.10mm/0.39 inch<br />Mouth Dia. : Approx. 3mm<br />Cap Dia. : Approx. 10mm/0.39 inch<br /><br />Quantity: 2 pcs<br />can fill with any mini things you like.<br />Good to DIY it as necklace pe