: These are best for acid-free archival storage.
Amazon Business sells standard bundles of long corrugated boxes, such as 28x4x4". where to buy long boxes
: Measure the item's length, width, and height. If using cushioning, add 2 inches to all sides for "void fill". : These are best for acid-free archival storage
: Use wide 2-inch clear tape to seal flaps, and consider reinforced strapping tape for very heavy parcels. B. Comic Book Storage Shop Long Cardboard Boxes For Shipping & Storage Solutions and height. If using cushioning
: Choose 5-ply (double-walled) boxes for heavy items or long-distance shipping to prevent bending.