The interior of the waterproof hard case features high-quality foam lining that can be freely cut to fit the shape of your equipment, offering thoughtful protection for every detail. Utilizing O-ring seals for waterproof protection, this weatherproof case ensures your items stay dry and secure. To enhance security, the hard case is equipped with a padlock hole, allowing you to lock the case anytime to prevent theft of valuable items. Featuring an automatic pressure equalization valve, this waterproof case effectively balances internal and external pressure, preventing damage from changes in atmospheric pressure.