1) paper coaster 2) Material is eco-friendly 3) Any shapes are ok 4) OEM/ODM Paper Coaster, 8.5/9/9.5/10cm dia or in ... be printed on both side, good water absorbability.Paper Coaster, Cup Coaster, Teacup Mat, Absorbent Paper Coaster, Hotel Tissue Paper Coaster 1. Size: 8cm, 8.5cm, 9cm, 10cm ...