It's also nicely portable. Buy now £50.40, Amazon TOMKID File Box Fireproof File Storage Organizer Box with Lid The TOMKID File Box Fireproof File Storage Organizer Box is made of double-layered ...

Dimensions: 15.55" x 12.2" x 10".The fireproof lock box fits both letter and legal size files fitting your filing system,it also can protect your important documents,books,CDs, DVDs,USBs ...

It's also nicely portable. The TOMKID File Box Fireproof File Storage Organizer Box is made of double-layered non-itchy silicone-coated fibreglass and can withstand temperatures up to 1093C.