Package: 30pcs 50ml clear flat plastic test tubes with Screw Caps. They are packed in plastic sleeves so that they will not scratch each other during transportation / storage.
Premium product: Made of PET plastic, sturdy and toxic free; Screw caps are made of aluminum.
Features: The screw tops make it easy to open and keep closed. The containers are flat bottomed so they are able to stand on their own. The test tubes are sustained and do not leak.
Use: These transparent flat bottom plastic test tubes are very suitable for the storage of candy, bath salt, spices, beads and powder. They can also be used in scientific experiments, plant propagation and party decoration.
