The NewerTech NuVue Screen Protector with Privacy Shield for iPad ($40) is a plastic overlay for the iPad screen. It prevents others from seeing the screen when viewed from an angle. You can also get a version of the NuVue Screen Protector without the Provacy Shield for $10.
The NewerTech (NuGuard Soft Silicone Case for iPad](http://eshop.macsales.com/search/nuguard+silicone) ($18) gives your iPad a bit more grip and covers the back and sides. It’s available in blue, green, red, orange, black, and white.
If you prefer a case that’s a bit tougher than a silicone skin, there’s the NewerTech NuGuard Hard Shell Polycarbonate Case ($25). If you don’t like plastic, you can try the NewerTech NuGuard Hard Shell with Leather Backing ($25).