... edges every eyelet interval 1m or three feet ,corner reinforced with triangle plastic sheetscharacterics1.Binding resistant,press resistant, 2.water-proof ... .antifreeze,corrosion-resistant, 4.could be produced with uv to five years application:special for Agricultual use, stop the weed growth, and ... Huacheng Plastic Modification Co., Ltd. PP/PE black plastic mulch film for agriculture and gardening