Gear Aid Sil Net Silicone Seam Sealer Durable  Tough silicone rubber adhesive bonds permanently to silicone-treated fabrics Flexible  Once cured, it's an elastic seal that flexes and stretches with gear Waterproof  Provides a water-tight seal that wont peel or crack over time Weather-Resistant  Long-lasting sealant is not affected by extreme heat or cold Packaging may vary Silicone seam sealer for Ultra-light Silnylon backpacking tents; seal critical seams in one application 1-1/2 oz. tube seals critical seams on most ultralight two person tents Use on silicone-treated tarps, shelters, backpacks and rainwear to keep water out Permanent placement is unaffected by extreme heat or cold but can be removed with mineral spirits Made in USA