... , recycled2.Better ageing-resistance than common rubber band, hard to break, excellent bearing capacity, tearing strength.3.Easy coloring, ... blue, purple, fluorescence colour, or other mixed-colour.Application:Mainly use for packing gift, flower, gift box, electron component, precision ... the sharp knives, to avoid affect the service life4.Pls don't put too much pressure when use, to avoid hurt people.