Sealed Air - 15 x 18″ Polyurethane Expandable Foam Bag - 39476213 - MSC Industrial Supply
Brilliant DIY Uses for Expanding Spray Foam Insulation
Touch 'n Foam System 200 Spray Foam Insulation Kit | DAP Global
Nephew's Christmas present. Cash hidden in a glued shut wooden box encased in expanding foam. Obligatory red herring of trail mix on top. Try opening this gift in 2 seconds! : r/funny