This cable with a USB Type-C on each end is capable of carrying higher wattage so it can bring out the best of your higher power adaptor for charging devices like laptops.
 
Cable come in 2 models:
 
60W Model:
Length: 1.2m
Max Output: 20V/3A 60W
 
100W Model:
Length: 2m
Max Output: 20V/5A 100W