material:100% PP character:nontoxic,nonpolluted,recycle,bio-degradable usage:keep warm, guard gainst birds, worms, frost material:100% pure polypropylenecolor/size: as customer's demandcharacteristics:innocity,no pollution,recycle,bio-degradable underground, and effloresce when put out-door more than half a year---enable our polypropylene widely and freely used in agriculture and landscape field. ...