The HVX200 Wheeled Safeguard Field Production Vault Hard Cases has a custom foam interior. Wheeled Vault Hard Cases have durable aluminum rail and a comfortable pullout hand grip. They are constructed with a high-performance hard-resin material reinforced at the corners. Wheeled Vault Hard Cases are smooth rolling, watertight, have a pressure relief valve and have easy to operate latches. Wheeled Vaults are ideal for combining video, audio and photographic equipment for transportation and protection.