These black Velcro strips measure 3 1/2" by 3/4" and come in a convenient 4-pack, ideal for teachers, students, and organizers. Designed for smooth surfaces, their strong adhesive securely fastens items to desks, folders, chairs, whiteboards, and lockers without the need for sewing, gluing, or ironing. Perfect for classroom tidiness, homework folder closures, arts and crafts, and home or office organization. Simply clean the surface, peel the backing, press firmly, and allow 24 hours for full adhesive strength, ensuring a durable and versatile hold on walls, glass, tile, plastic, metal, and wood.