Spirit Level Bubble Vial

Universal universal bubble adopts the most advanced mirror special acrylic material in the world, so that the molded product is crystal-clear, extremely beautiful, fine workmanship, and the horizontal direction is clear at a glance. The bubbles can be aggregated within 1 second after being impacted, and placed at -20 ° C for 12 hours, at 65 ° C for 12 hours, and then returned to normal temperature, the bubble size is restored as before, and the liquid fluidity is strong.