Coghlan's Airstop Vinyl Repair Adhesive Sealant for PVC and Inflatable Repairs – Durable Waterproof Fix for Patches, Leaks, and Seals – Ideal for Boats, Air Mattresses, and Camping Gear. Durable PVC Repair Sealant: Permanently seals punctures, leaks, and small tears in PVC and PVC-coated materials within minutes, ensuring a strong, lasting bond for outdoor gear.