These last a long time and are flexible. I got so tired of having vinyl ones pop when I inadvertently hit them or finding the tops in the garden when the night visitors wandered through. Jim _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>