Slab foam is the most common type of polyurethane foam you'll find in furniture, and it gets its name from the mass-produced slabs from which it's cut to go under the fabric on your chair.

Walmart Is Selling a 'Phenomenal' $200 Adirondack Chair for Only $90, and Reviewers Say It’s 'Super Comfy for Lounging' Bernadette Deron Thu, May 22, 2025 at 5:30 PM UTC ...