SiForce S20 Internal Hard Drive Protective Briefcase for 2.5 inch HDD, Durable Transport Case Fits 20 x 2.5 inch Hard Drives Rugged Heavy Duty Case: Designed to safely store and transport a total of 20 x 2.5 inch hard drives. Weatherproof: The airtight sealed enclosure provides all-around protection for drives from water, dust, and external damage. The rugged cases are shipped air tight, release the air valve prior to opening. Drive Protection: Pink Anti-Static Foam interior ensures a snug fit for maximum hard drive protection from static damage and prevents static buildup on hard drives stored for extended periods of time. SiForce Case Warranty: Amazon purchase includes a one year SiForce case warranty Hard Drives NOT included.