Speck ToughSkin case is three layers of rubber and plastic. The case will run you $40 and will be available later this month. The iPhone 4 is a fragile beauty and it can shatter if dropped. It’s not a case for the klutzy, unless you want to wear knee and elbow pads to protect your iPhone 4 from drops. The ToughSkin is available now on the market for $40, and the case will go on sale later in the month of September.”]
Source: https://gizmodo.com/do-you-really-need-three-layers-of-protection-around-yo-5726167