Soft PVC,Absorbent Paper,Heavy density Cork,MDF board+Cork,EVA,Stainless steel,Acrylic,Bamboo/wooden coasters for your choice! 1. Materials: Soft PVC,Absorbent Paper,Heavy density Cork,MDF board+Cork,EVA,Stainless steel,Acrylic,Bamboo/wooden etc.2.Standard Shape:Round And Quadrate,other shapes available,you could custom your own shapes.3.Standard size:Ø100mm*H3mm,Ø90mm*H3mm,100mm*100mm*3mm,90mm* ...