Overall, the build quality is very impressive. iWood 4 is light, does not add much bulk, and is available in a number of different woods. The fit is quite snug, and all ports and connectors line up precisely. Both the sleep/wake button and the volume controls are covered, and are extremely responsive. On the early 2011 version we received, the opening for the ringer switch is long enough to accommodate both the GSM and CDMA models of the iPhone…