SOS Aluminum Portfolio (12" x 18" inside dimension): Made of anodized aluminum, this case has the option of opening flat for easy loading or upright for visual presentations. The finished interior features an acid-free, soft touch cushioned black surface to protect the contents. Elastic straps on both sides securely hold items in place. Each case is equipped with a lock.

SOS Aluminum Portfolio (17" x 22" inside dimension): Made of anodized aluminum, this case has the option of opening flat for easy loading or upright for visual presentations. The finished interior features an acid-free, soft touch cushioned black surface to protect the contents. Elastic straps on both sides securely hold items in place. Each case is equipped with a lock.

SOS Aluminum Portfolio (19" x 25" inside dimension): Made of anodized aluminum, this case has the option of opening flat for easy loading or upright for visual presentations. The finished interior features an acid-free, soft touch cushioned black surface to protect the contents. Elastic straps on both sides securely hold items in place. Each case is equipped with a lock.

SOS Aluminum Portfolio (23" x 31" inside dimension): Made of anodized aluminum, this case has the option of opening flat for easy loading or upright for visual presentations. The finished interior features an acid-free, soft touch cushioned black surface to protect the contents. Elastic straps on both sides securely hold items in place. Each case is equipped with a lock.