Crafted from ultra-thin silicone, these covers remain secure thanks to non-adhesive technology once applied. Our signature matte silicone and specialized texture adhere to your skin through body heat. Perfect for fitted clothing or as a liner for seamless coverage and enduring comfort throughout the day. Why you'll love it! • Made of 100% silicone. Adhesive-free. • Reusable over & over again. • Invisible comfort, no bumbs & visible ridges. • Thicker center for optimal coverage. • Blends with skin tones with a semi-transparent color. • Ventilated design prevents sweat, keeps chest cool and comfortable. • Waterproof. • The width is 3.15 inches.