Instant purchase welcome. Mini size Mix color rubber bands: white, pink, and black 300 pieces set. These are convenient rubber bands that can be used as hair ties, to tie up snack bags, or as binding bands. They are made of a material that stretches well. The black ones include some that are slightly wider than the others, as they were when purchased. Please check image 5. 【Material】 Rubber 【Size】 Normal, before stretching: Approx. 1.3cm Stretches up to approx. 5cm. Bulk purchases are also welcome. #sweetgift_goods