LOKSAK aLOKSAK Resealable Bags Large Multi-Pack  (Set of 3 - 12X12", 13X11", 16X24") ALOKSAK keeps items dry under water to depths below 200 feet/60 meters for periods of years. Soft-sided - Safe, shatterproof, quiet, holds oddly shaped objects. Easy to use - Simple as using a typical zip-closure type bag, but the liquid tight protection of a hard case box . Other soft-sided systems require several steps to close and are not guaranteed to be air or liquid-tight. The Loksak Product contains 3 different-sized bags: 1 each of 12"x12", 11"x13", and 16"x24"