1INSULATION MATERIAL: Fat bicycle tube is made of excellent butyl rubber, with good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation and other advantages 2APPLICABLE MODEL: Bike inner tube is suitable for various types like fat tires, ATVs, snowmobiles, all terrain vehicles, very versatile, useful and practical 3SAFE AND IMPACT RESISTANT: Butyl rubber tire inner tube replacement can absorb the impact on bumpy roads for a comfortable and safe ride for you 4WEAR AND HEAT RESISTANCE: Fat tire bicycle tube has heat resistance, can withstand the wear of daily use, more durable and has a longer service life 5EXCELLENT SEALING PERFORMANCE: The inner tube provide a reliable and airtight seal to prevent air leakage and maintain optimal tire pressure