BESTOLIFE thread compound, a specialized lubricant and sealant used in the oil and gas industry.
It is a premium compound designed for high-pressure and high-temperature conditions.
It protects threaded connections (casing, tubing, line pipe) against galling, seizing, and corrosion.
The specific product in the image appears to be BESTOLIFE 72733 or 375 NC, which are likely product codes.
BESTOLIFE compounds meet or exceed performance objectives outlined in industry standards like API RP 5A3 / ISO 13678.