Messina® Deer Stopper® Barrier Ribbon 3/4in x 100ft Pre-Treated Ribbon Simply stick the ribbon up 30in high around the entire garden, making sure that the ends join. Will protect gardens up to 25ft x 25ft for 30 days. Works by smell and will not wash off after a heavy rain. Safe for use around fruits and vegetables, made of organic ingredients. OMRI listed®.