Our Mars simple capped cornerstone time capsule measures a full 12x12x14" on the inside. The standard cap measures 12x12". This time capsule has a capacity of 2016 cubic inches or 1.2 cubic feet. Although dependent on the actual size of your items, the Mars size holds up to about 350 standard document type items.
Your capped cornerstone order includes the following items at no additional charge. For more supplies to protect items, order a preservation kit or separate packages appropriate to your items.