This product is a single price is not one pair set
This product is suitable for perimeter 10-17cm round or square maximum edge length of not more than 4.5cm tables and chairs foot

适用尺寸只针对于圆形或者方形的正规形状，如为长方形或者多边形等等不规则形状，请选择加大3-4cm左右的尺寸，具体可以联系客服为您建议的