The Otterbox Impact Case for the iPhone and iPod Touch is the most durable silicone case I have seen yet.
Price: $14.95 MSRP
Coupon Code: iPhoneApp09 (case sensitive – valid through 1/20/09)
To enter for a chance to win this Otterbox Case. Please fill out the entry form by clicking the link below. Winners will be contacted by email.