L.A. Computer Company offers the LMP 5.9-Foot USB Type-C to USB Type-C Magnetic Safety Charging Cable in Space Gray for $27.99 with free shipping. That's $10 off and the lowest price we could find. It supports power delivery up to 100 watts and safely disconnects from a laptop when pulled or strained. (It doesn't support data transfer.)

A 9.8-Foot Cable is also available for $29.99 with free shipping. That's $13 off and the lowest price we could find.