... ,LFGB,FDA,CIQ 4. OEM welcome Daily use Heat-resistance mdf cork back coaster, 4c printing+MDF+cork back ... 3,000pksUsageCup coaster, Mug coaster, Table/desk proof, Heat resistance, WaterproofRemarkPopular style in the overseas marketgood quality and beautiful designHeat ... resistance, WaterproofOEM, need an AI/PDF artwork in 300dpi ...