1,strongly pinned on the furniture legs, 2,made of non-woven 3, durable&great design ... Nail-on Felt Pad Item NoN1Y20Item NameNail-on floor protector,furniture accessories,furniture feet protectorSize Dia 20mm,12pcsMaterialABS+Non-wovenColor BlackPackageBlister cardPackaging ... certificates3,good in quality and factory-sell price4,timely-service furniture nail fittings