Avery - AVE83175 Help your customers and employees practice healthy habits with these Preprinted Surface Safe Wall Decals that are labeled "Wash Hands for at Least 20 Seconds." These helpful signs are a great way to encourage people to wash their hands for at least 20 seconds. Durable polyester is chemical-resistant, water-resistant, abrasion-resistant and tear-resistant. Unique, removable decal adhesive will keep wall decals attached to a wide range of surfaces while also being simple to peel off without leaving damage or residue. Decals are ideal for use on drywall, glass, aluminum, stainless steel, smooth plastic and other common types of walls and textures, but not recommended for use on primed drywall, cardboard boxes, painted wood or plastic surfaces with more textured surfaces. Preprinted, COVID-19 wall signs are crucial for any type of business or location including restaurants, retail stores, hair salons, airports, schools and more. Pack includes five preprinted, 7" x 10" decals.