【Size】Outer diameter 31mm, width 2.5mm. Color: Black. 【Material】Nitrile rubber. High temperature resistance, acid resistance, corrosion resistance, and abrasion resistance. 【Features】Standard nitrile rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). 【Applications】Widely used in high-pressure washers, filters, pumps, water hoses, piping pipes, maintenance, automobiles, and machinery. ⭐Free Shipping⭐ Please check the actual photos for the product condition. Please understand that this item is stored at home and will be simply packaged before purchase. (^ ^) Shipping is not available on weekends and holidays. Shipping will be done on Monday or later, so please be aware of this.