Reddit reviews Case Club Polyethylene Customizable Foam 53.5 x 16 x 2.0 Inches

Actual thickness may vary between 2 1/8" - 2 1/4"Foam is closed cell & will not absorb moisture or oils from pistolsFoam can be cut with a razor blade, electric carving knife or hot wire (not included)After being cut down this will fit all major rifle cases including Pelican 1700, 1720, or 1750DO NOT SETTLE for cheap and flimsy diced foam! Diced foam tears easily, retains water (rust!), collects dirt, and even if left untouched will eventually DISINTIGRATE right into your gun! Case Club foam is closed-cell military-grade polyethylene, which does NOT absorb liquids, does NOT tear easily, lasts a lifetime, can be cleaned easily, and will NOT disintegrate.