, ▁either ▁imp aling ▁the ▁b ale ▁on ▁a ▁f lap , ▁or ▁by ▁using ▁a ▁special ▁grab . ▁The ▁f laps ▁do ▁not ▁hole ▁the ▁b ales . ▁ ▁In ▁the ▁UK , ▁b aled ▁sil age ▁is ▁most ▁often ▁made ▁in ▁round ▁b ales ▁about ▁ 4 ▁feet ▁by ▁ 4 ▁feet , ▁individually ▁wrapped ▁with ▁four ▁to ▁six ▁layers ▁of ▁" b ale ▁wrap ▁pl astic " ▁( black , ▁white ▁or ▁green ▁ 2 5 - mic rom et re ▁stretch ▁film ). ▁The ▁percentage ▁of ▁dry ▁matter ▁can ▁vary ▁from ▁about ▁ 2 0 % ▁dry ▁matter ▁up wards . ▁The ▁continuous ▁" s aus age " ▁referred ▁to ▁above ▁is ▁made ▁with ▁a ▁special ▁machine ▁which ▁wra ps ▁the ▁b ales ▁as ▁they ▁are ▁pushed ▁through ▁a ▁rot ating ▁ho op ▁which ▁applies ▁the ▁b ale ▁wrap ▁to ▁the ▁outside ▁of ▁the ▁b ales ▁( round ▁or ▁square ) ▁in ▁a ▁continuous ▁wrap . ▁The ▁machine ▁places ▁the ▁b ales ▁on ▁the ▁ground ▁after ▁wrapping ▁by ▁moving ▁forward ▁slowly ▁during ▁the ▁wrapping ▁process . ▁ ▁Hay lage ▁ ▁Hay lage ▁sometimes ▁refers ▁to ▁high ▁dry ▁matter ▁sil age ▁of ▁around ▁ 4 0 % ▁to ▁ 6 0 %, ▁typically ▁made ▁from ▁hay . ▁Hor se ▁hay lage ▁is ▁usually ▁ 6 0 % ▁to ▁ 7 0 % ▁dry ▁matter , ▁made ▁in ▁small ▁b ales ▁or ▁larger ▁b ales . ▁ ▁Hand ling ▁of ▁wrapped ▁b ales ▁is ▁most ▁often ▁with ▁some ▁type ▁of ▁g