This is disposable tube for biotechnology lab. Usually it conteins DNA solution or starilized water.
The blend file includes six object.
1 Separated tube that has body, lid, joint with curve to open/close as you want.
2 Open state tube.
3 Close state tube.
4 Close state tube with water.
5 Water.
6 Tube stand.
Other images using the model are here.
Nice work. I particularly like the tube material.