Casio EX-S200 weighs 132 g (0.29 lb / 4.66 oz) and has external dimensions of 100 x 55 x 18 mm (3.94 x 2.17 x 0.71″). Considering that the average weight of Compact type cameras is 188g, Casio EX-S200 is a remarkably light camera for its class. Even better, with a thickness of only 18mm, it is also quite small, 10mm thinner than the average of its class.
Now lets compare the weight and thickness of Casio EX-S200 with its main competitors:
Casio EX-S200 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Compact Cameras with Weather Sealing page.