Waterproof, sealed storage box designed for diving and water activities to keep your items dry and protected. Easy to open with a reliable seal that prevents water from entering during submersion or in wet environments. Suitable for diving enthusiasts and underwater photographers, ideal for protecting cameras, housings, batteries, memory cards, and other small gear. Sealing box can be attached to backpacks for convenient, hands transport during trips and transitions. Use scenario 1: On a diving trip, store spare batteries and memory cards in the box to keep them dry between dives. Use scenario 2: While shooting underwater, keep small accessories such as lens caps, adapters, or maintenance tools protected and readily accessible. Use scenario 3: During boat transfers or shore excursions, secure keys, cash, or small valuables in the waterproof box to prevent water exposure and loss.