Liquid Stitch Flexible Repair Adhesive Leather Vinyl Canvas Fabric Waterproof Repairs rips, cuts, tears and holes, whether large or small. Works on ALL Flexible materials. Waterproof and permanent. Just apply Liquid Stitch under the edges, and over the damage spot. Liquid Stitch can be used on any type of canvas, leather and vinyl. And, it's waterproof. Use it to repair tents, leather and vinyl seating. You can repair dozens of average size damages with Liquid Stitch.