GE Silicone 1 Tub & Tile is a 100% silicone and 100% waterproof sealant that is resistant to unhealthy and unsightly stain causing mold and mildew growth. Ideal for sealing around sinks, tubs, showers, fixtures, countertops, backsplashes and plumbing projects. Easy to apply with excellent adhesion, it remains permanently flexible and will never crack, shrink, break down or wash away. Guaranteed for as long as you own your home.