Foam Javelin Does Anyone Know Where Online I Can Order Open Cell Computer Packing Foam? I Need Blocks Not Sheets.?

Does anyone know where online i can order open cell computer packing foam? I need blocks not sheets.? - foam javelin

Lucho and the use of Dagorhir in foam padding homemade weapons. We can use this type of foam for arrowheads, spear points and spearheads. But I can not find a place to buy it.