The Samsung Z720 is a sophisticated slide opening 3G phone which comes in a sleek black coloured casing. The handset is lightweight for a 3G phone which only weighs 80 grams in total & the overall size of the Z720 is compact. The phone can fit in the users pocket for carry purposes & the user is able to use the handset in a single hand. The handset comes with a large 2.1 Inch high colour screen which is viewable when the handset is open or closed. The high colour screen has a screen resolution of 240 x 320 pixels & provides the perfect viewing tool for all the user's videos & photos. The user can access features when the handset is in its slide closed position as the Samsung Z720 comes with easy to access external buttons & a navigation tool.