Made of rubber material, durable in using. Can withstand differences in weather conditions. The lining is smooth, fluid resistance small, less hydraulic loss. Can effectively prevent the leakage caused by oil stain. With high elasticity, high elongation and high tenacity. Please check the size carefully before you buying specification: material: rubberfule pipe length: 20cm/ 7.9 intitule pipe dia.: 8 x 4.5mm/ 0.3 x 0.18 inch(odd)package includes: 4 x motorcycle petrol hose