Product contains polyolefin and a little bit wax.Waterproof, flexible, stretchable, and self-adhesive with gentle stretch.Biodegradable in sunlight, allow gasses to pass through.Excellent moister barrier for grafting and budding.This grafting tape is made by bio-degradable polyethylene stretchable with high tensile strength, which mean you can leave it on your tree without removing it, will not harm your tree. It is also self-adhesive, providing air tight seal, to prevent bacteria or any other disease from getting into grafting area.Type: Stretch FilmTools Category: Glue/TapeColor: WhiteMaterial: PEQuantity: 4Shape: RoundStyle: PastoralAttribute: ReelSheet Size: 3CM x 100MWeight: 80g / 2.8ozPackage List: 4 x Grafting Tape.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.