Net Weight: 2.8 oz.100% Silicone Sealant For Building And Repairing Aquariums As Well As Quick Household Repairs And ProjectsAdheres To Most Surfaces Including Glass, Nonoily Woods, Metal, Porcelain, Ceramic, Painted Surfaces, Some Plastics, Rubber And MoreNontoxic To Fresh And Saltwater Fish When CuredSealant Stays Flexible And Will Not Crack Or ShrinkCoverage: 3/16" Bead = 15 Linear FeetComes With 2-1/2" Nozzle For Precise Application