2-Packs (20 total pyramids);This non-stick pyramids securely elevate your project of the work surface with minimal contact;Allowing painted, stained or glued projects to be completed in one session with less mess and great results;The new and improved lock and tab system allows pyramids to be easily secured to your work surface or each other.;The pyramids nest for easy storage can support objects weighting up to 200-pound and are solvent resistant