XtremeMac has introduced its new TuffWrap Plus line of silicone protective cases for the iPod nano (with video), iPod classic, iPod touch, and iPhone. TuffWrap Plus cases for the iPhone, iPod touch and iPod classic include a removable belt clip that doubles as a kickstand, and include built-in protection for switches, a protective door for the dock connector and side ridges for increased grip. The iPod nano versions include a removable hard plastic screen protector and a carabiner. In addition, all TuffWrap Plus cases include TuffShield screen and click wheel protectors. TuffWrap Plus for iPhone, iPod touch, and iPod classic sell for $30, TuffWrap Plus for iPod nano sells for $25. The company also announced TuffWrap and TuffShield accessories for all four devices, which will sell for $15 to $20. All three case lines are available for pre-order now from XtremeMac’s website; cases should begin appearing in stores in the coming weeks.