KTM ETS is the best, most convenient and cheapest way to go from Singapore to Malaysia or vice versa. One can book ETS tickets for the 3 trains that run from Singapore Woodlands to Sentral Kuala Lumpur. The trains are:

Train #2 which is the Ekspres Rakyat. This has a daily departure from Woodlands. It leaves at 9:12am and it arrives KL Sentral at 2:56pm. This has 2 classes. Class 1 and class 2.

Train #12 is called the Ekspres Sinaran Selatan and this departs Woodlands at 2:18pm and it arrives KL Sentral at 8:25pm. This train has 4 classes of tickets. Class 1, 2, L and S.

Train #24 is called the Senandung Sutera. This leaves Woodlands at 11:55pm and it reaches KL Sentral at 6:30 the next morning. This has 5 classes in all. Class 1, 2, L, F and S.

The L class is the deluxe sleeper class and it has either a single or two bed compartments. It is fitted with a private shower as well as toilet.

The F Class is the 1^st class sleeper. It has bed compartments and it has a washbasin.

The S class is also called the 2^nd class sleeper. This has upper as well as lower berths and they have curtains to give you privacy.

The Class 1 are 1^st class seats and these are reclining and are luxurious.

The Class 2 are 2^nd class seats which are comfortable to sit on.

The entire train is air conditioned.

One can get ETS train ticket either by standing in the queue at the station to get the same or else one can do it in the privacy of their homes using sites like http://www.easybook.com/train/ktm-ets-train-ticket an alternative method is to buy it from the call center.

These tickets can be reserved up to 60 days before the departure and a reservation is necessary to travel.