IMN17459 - Imation 3-1/2quot; Disks, PC Format, 1.44MB, Write Once, 10/PK Dimensions: 3.54" x 3.7" x 0.13", Form Factor: 3.5" Standard, Platform Support: PC, Standard Warranty: Lifetime Limited, Storage Capacity: 1.44MB (Formatted), Storage Capacity: 1.44MB, Storage Mode: Formatted, Temperature: 4 C (39.2 F) to 60 C (140 F) Operating, Temperature: 4 C (39.2 F) to 53 C (127.4 F) Storage Sold as 1 pack