... double HIPS film Acid free foam core, color foam core , Conservation board, museum board, Memo Product: KT foam board Specification: core ... 1220x1560 1220x2440 1220x3050 Acid free foam core, color foam core , Conservation board, museum board, Memo boardHIPS foam board, color ps foam ... presentation display board Acid free foam core, color foam core , Conservation board, museum board, Memo board