100% Waterproof Shields Out Water, Dirt and Germs Stays on in Water Heals the Hurt Faster Contains: 20 - 1 in x 2 1/2 in (2.5 cm x 6.3 cm) 10 - 3/4 in x 2 in (1.9 cm x 5.1 cm) Inside every Water Block bandage you'll find these unique technologies: 100% Waterproof: Shields out water and dirt even when wet. Quiltvent Pad: with air channels. Invisible: Bandage blends with your skin. A covered wound heals faster than an uncovered one. Don't forget to apply Neosporin First Aid Antibiotic