Lightweight and strong tube provides optimal performance, and has a good resistance to freezing and overheating. The tube is made of synthetic butyl rubber with a wall thickness of 0,90 mm. The material has an excellent tensile flexibility, which provides perfect core adaptation to the casing shape. The density of the material ensures excellent resistance to air permeation. The tube valve is made of quality materials that prolong the life of the tube. The tube comes packed in a paper box. Weight: 142 g