Silca Ultimate Tubeless Sealant uses FiberFoam technology to harness the power of carbon fiber to seal up to 7mm punctures without losing pressure. Effective down to 10F/ -12C Seals 7.5mm holes for up to 6mo Injectable through your valve, seals a 6mm+ puncture, and lasts up to 6 months. The perfect sealant for those looking for the ultimate sealing power, longevity, and ease of use. Use Replenisher every 90-120 days for best performance 6, 9, and 12mm recycled carbon fibers are dispersed evenly by a foaming latex to create ultra strong seals Made in the USA Silca Ultimate Tubeless Sealant Tubeless Sealant UPC: 810093162918