Lightweight, waterproof, unbreakable case that can be used to carry every kind of equipment and accessories Built-in Wheels Ergonomic handle made of PP SEBS material and a steel pin to provide a high level of ergonomics Automatic valve which automatically adjusts the air pressure inside Internal O-ring made of neoprene PA66 makes the suitcase is totally waterproof Reinforced corners that make it extremely shock-resistant The temperature range is guaranteed - 40 Degree C - (40 Degree F) up to + 80 Degree C (+176 Degree F)