Primarily plaintext credentials (email:password) or "stealer logs" (data harvested by malware from infected browsers).
Use services like Have I Been Pwned to see if your email address is part of this or similar collections. NWOxxxCOLLECTIONZip141zip
The .zip extension indicates a compressed archive, and "141" likely refers to a specific volume or part within a larger series of leaks. NWOxxxCOLLECTIONZip141zip