ASelected Plastic Test Tube 30pcs Screw Cap 45Ml Reusable Transparent Seal With Lid

GOOD SEALING:The tube bottle is equipped with an aluminum screw cap to effectively isolate the outside air and liquid, and prevent leakage after the cap is closed HIGH QUALITY MATERIAL:aluminum screw cap, tube bottle made of PET plastic, smooth surface, transparent appearance, not easy to break, more stable than glass tub REUSABLE:Plastic test tubes are easy to clean and can be used twice after drying CAPACITY:45 ml. Size :140x 25mm, 30 pieces in total USE: Test tubes can be used as flower vases, but also can hold candy, honey, bath salt, sand and other small objects