IOSSO SEAM SEALER

Seam Sealer from Iosso Products sponges onto fabric seams to seal out water without altering the material’s color or feel. It’s effective on solution-dyed acrylics, polyesters, coated synthetics, cotton, cotton blends and canvas. It has a built-in sponge applicator and requires 24 hours to dry. $8.30 per 4-ounce bottle; iosso.com