If you're an Apple gadget lover or a phone case fancier, you can easily find that iPhone's official protective case is made of liquid silicone. ... You can see thermoplastic material being utilised on the iPhone for improving waterproof performance.
A silicone case protects your phone from short-distance drops and the texture helps prevent your phone from sliding. ... Plastic cases are hard, offering solid protection if you bump or drop your phone. Smooth, this case may slide off a table when bumped, but it will protect your phone against damage from impact.
For a baseline level of protection, choose a case made of a shock-absorbent material (like silicone or rubber) that covers your phone's vulnerable corners. Plastic cases, which do not effectively absorb shock and are likelier to translate the impact onto the device itself.