Dacheng brand sponge door seal New developed product,which install around the edge of door hole,keep cleaning and temperature-holding,insulate of dust and insects. 1.Materials from:Industrial filber,PVC water-proof material,high quality sponge 2.Ensuring loading and unloading not to be affected by weather condition 3.Front seal surface width:250-400mm 4.Standard dimention for door hole dimention as Width:2400mm x Height2700mm or Width:2500mm x Height2800mm