Here is my honest take on working with this industrial-grade material: 🌟 The Good

: Unlike standard squishy upholstery foam, this stuff is rigid enough to hold its shape while providing incredible shock absorption. My expensive camera lenses do not budge an inch.

🛡️ The Ultimate Shield for My Fragile Obsessions I recently went on a mission to find the perfect closed-cell polyethylene foam sheets to custom-line my photography hard cases and ship some incredibly delicate, hand-painted ceramic sculptures. After testing a few flimsy alternatives, I ordered heavy-duty (specifically targeting the 1.7lb and 2.2lb density variants) from specialized retailers like Foam Factory, Inc. and some quick multi-packs for smaller crafts on Amazon .

: Since it is closed-cell, it does not act like a sponge. I spilled water directly on it during a rainy shoot, and it wiped right off without soaking through to my gear. ⚠️ The Not-So-Good

: Because full sheets are large and cannot be easily vacuum-sealed without damaging their structure, shipping costs can get a little pricey if you aren't ordering in bulk or buying smaller pre-cut packs. 🏆 The Verdict