This is the McNett Sil-Net Silicone Seam Sealer 1.5 oz Tube w/ Brush

This Great Seam Sealer Features:

• Seals in one application
• Unaffected by extreme heat or cold
• One tube seals critical seams on an average 2-person tent

Specially formulated for sealing seams on tents and other outdoor products constructed or coated with silicone, such as silicone treated nylon.