z-color 10pcs 10ml natural semiprecious gemstones essential oil roller ball bottles transparent glass with bamboo lid caps z-color <b>description:</b><br><br><b>type: blue jade, white crystal jade, colored fluorite jade, obsidian jade, yellow tiger eye jade, amethyst jade, red jasper jade, topaz jade, lapis lazuli jade, green dongling jade</b><br><br><b>transparent glass bottle size: approx 85mm×20mm×20mm</b><br><br><b>quantity: 10pcs</b><br><br><b>capacity: approx 10ml</b><br><br><b>roller ball size: approx 9.6-10mm</b><br><br><b>each gemstone roller balls corresponds relevant mini crystal stone chips which in bottles. these crystal stone chips are sterilized in boiling water and then dried by the wind. please note natural stones have color difference, they can't be avoid.</b><br><br><b>how to use the essential oils opener:</b><br><br><b>step 1, removing the roller ball: put the edge of the opener underneath the roller ball and push down. roller balls would pop out.</b><br><br><b>step 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.</b>