As others have mentioned make sure you get one that tips enough that you can get into the boot, and also can you turn off reverse parking sensors if you have them?
looks good then. My old car had reversing sensors you couldn't turn off, whenever I put a trailer or bike rack on there was just a constant high pitch squeak, not what you need when trying to reverse round a corner with a trailer...
As others have mentioned make sure you get one that tips enough that you can get into the boot, and also can you turn off reverse parking sensors if you have them?