You can find out all kinds of protective cases on the Internet. But if you prefer eco-friendly gadgets, the following Nite Ize BipCase iPhone 4 case should be able to catch your eyes.
The BioCase is an eco-friendly protective case that measures 2.25 x 5 x 4.5 inches, and designed for both iPhone 4 and iPhone 4S. The iPhone 4S case is constructed from GDH-B1, the first certified compostable pliable elastomer, so the iPhone 4 case is biodegradable, sustainable, renewable and BPA-free, of course, this kind of material effectively protects the iPhone 4 or 4S from bumps and scratches. Apart from that, the custom cutouts allow you access to all the buttons and functions of your iPhone 4 or 4S.
Nite Ize BioCase iPhone 4 case is priced at $22 USD. If you’re interested, jump to Urban Outfitters for more details. Additionally, if you need other options, you might like to check rPET 100% recycled iPhone 4 case and more via “iPhone 4 case” tag.