Description of one wizard's chest

[David Bofinger]

Originally Posted by hcobb

This wizard's chest is a wooden box 2' x 1' x 3", and weighs 10 pounds as expected.

If two of the wizard's homonculi go into the ocean after the ship the wizard was on hits an ice elemental, and the female homonculus is on the floating chest, can the male homonculous get on as well or will he die of exposure?