This Award Winning Plant Tie Is 20m Long (unstretched), Easy To Use, Suprisingly Strong And Has Some Great Features:-soft - Biostretch Is A Soft Material So It Is Very Gentle And Suited To Use On Even The Most Delicate Of Plants.strong - Biostretch Is A Very Strong Material That Will Support Large Plants As Well As Smaller Ones.stretchy - Biostretch Is An Elasticated Material So As Your Plant Grows It Will Stretch Whilst Still Giving Gentle But Firm Support.biostretch Naturally Drops Off The Plant And Rots In The Ground After Approximately 18-24 Months Outdoors Depending On Weather Conditions. So Its Great For Your Plants And Great For The Environment Too.uses For Biostretch Garden Ties - Biostretch Can Be Used For All Sorts Of Jobs Around The Garden In Fact, For Anything That Needs Gentle But Firm Support. Common Uses Would Include Supporting Tomato Plants, Securing Runner Bean Canes And Attaching To Young Staked Plants And Trees.