Floss Band Gorilla Floss Green x Green Set of 2, 5cm x 250cm I bought these to try them out. I washed them with water about 3 times to remove the powder. There is no damage to the condition. I hope those who need them for training will use them. Regular price: 2 for 5112 yen Reference site: https://www.amazon.co.jp/gp/aw/d/B07VF6YMJS?psc=1&ref=ppx_pop_mob_b_asin_title#immersive-view_1756444910731