Allon taga filastik, wanda kuma aka sani da allon kwari na filastik, allon sauro na filastik, allon taga nailan ko allon taga polyethylene, an tsara shi don rufe buɗe taga. Yawancin lokaci ana yin raga da filastik da polyethylene kuma an shimfiɗa shi a cikin katako ko ƙarfe. Yana hidima don hana ganyayyaki, tarkace, kwari, tsuntsaye, da sauran dabbobin shiga ginin ko tsarin da aka duba kamar baranda, ba tare da toshe sabon iskar iska ba. Yawancin gidaje a Ostiraliya, Amurka da Kanada da sauran sassan duniya suna da allo akan taga don hana shigowar cutar da ke ɗauke da kwari kamar sauro da kudajen gida.