1. Resisting oil and special chemical medium 2.without any impurity 3.Anti-aging waterproof, 4.non-toxic and tasteless hot sale durable and elastic rubber bands 1. Resisting oil, high temperature and special chemical medium2. Different colors, sizes and shapes are available3. Nature color without any impurity,4. Anti-aging waterproof,non-toxic and tasteless5. Width and thickness can be cut ...