The EVERGREEN 57 PRO RIFLE AMMO with ARIDZONE is the ultimate ammo dry box designed to hold 100 rounds of common rifle ammunition such as .223 & 5.57 for standard assault rifles. This indestructible, IP67 waterproof, airtight case is lockable with keyed TwistLock Latch and equipped with Flip Latch Pressure Equalization. The specialty designed, premium-cut foam insert organizes and protects ammo and comes with ARIDZONE Technology to control humidity, absorbing any potential moisture within the case. When the beads inside the ARIDZONE turn magenta colored, simply replace with a new cartridge (2 included with purchase). USA Made and comes with a Lifetime Manufacturer Warranty.