Technology in all industries is undergoing revolutionary changes and the mobile phone industry is no exception. As kits have become more expensive, they have also become smaller and thinner than before. You can choose to buy wallet covers for your phone to protect from damage.
Nevertheless, the screen gets bigger and more often than not the back cover opens to reveal the battery. These are the two parts, the screen and the battery of the phone which must be protected from any kind of external danger, especially from impact or shock.
Manufacturers understand business and know that they must meet the needs of their customers to survive in the market. That's why they design phone cases that perfectly fit their customers' needs and budgets.
Ultimately, tampering with the phone can cost the customer, and if this happens due to a defect in the storage case, it could result in a major reputational blow to the manufacturer. No trade organization would like that and they make sure that this doesn't happen.
Most of today's suitcases are waterproof and many of them are heat and shock resistant. This case is specially made for people who want to spend more time outdoors, which could expose their phone to hot sun, heavy rain, or other similar climatic elements. Protection is needed for the longer life of every device you own.