1,non-skid ,no smell ,nontoxic material 2.Customized sizes, shapes ,logo,artwork ... cloth + elatic high-density rubber Printing: heat-transfer printingSize: 23*18*0.3cmLogo: customizedPacking: 100pcs/ctn Advantages: 1,non-skid ,no smell ,nontoxic ... material can be choose, natural foam rubber or EVA or SBR or rubber spong, which are non-slip, non-harmness to person, the surface ...