Be very careful when getting bottle service. It takes the control over pouring away from the club employees. This has led to many problems in the past and you should be careful when doing this.
Make sure you are drinking with a group that you trust. Talk before your night out about potential problems with over indulgence. Decide how you can help people in your party maintain a good pace. Pick mixers that you can drink by themselves. Stagger alcohol drinks, meaning drink a water or other non-alcoholic drink between alcoholic drinks. Stay safe and have fun.
Here is the info about bottle service in Las Vegas: