New & Improved - We took everything that you loved about the 56 and 57 case and made it even better. The 58 case is the latest in Seahorse's micro case line. Our 58 case provides increased depth which makes it perfect for storing cameras, film, first aid equipment, ammo, pistols, kid's toys and valuables . Heavy Duty - This case is made from a high quality and high density polypropylene, so it can take a beating. Impact resistant, crushproof, dustproof and waterproof Waterproof - Rated IP67 waterproof, each case is made to keep water out even when submerged. Each case can be submerged at a depth of 1 meter for 30 minutes while keeping the contents inside completely dry Protective Rubber Liner - Inside each case is an egg carton style protective rubber liner, providing plenty of cushion for any gear you put inside of it with occupying a minimal amount of storage space American Made - All of our cases are manufactured to the highest quality right in Southern California. Protected for Life - All Seahorse cases are protected for life. You've invested in our cases, so we're here to protect that investment. Know that if you experience any issues with your case, we'll help make things right 3X Secure Locking Latches - The 3x action Twist Lock Latch provides 3 levels of security and protection for your valuables. The latch seals the o-ring providing waterproof protection. The twist lock prevents any accidental opening and the keyed lock keeps others out. Great for storing anything that needs to be kept away from children or intruders. Automatic Pressure Equalization - Each twist lock latch doubles as an air release valve to provide stable pressure in each case. Dimensions - (internal): 8.1” x 4.1” x 4.3” inches (external) 9.4” x 5.8” x 4.7" / weight 2 lbs