ANISOTROPY MAGNETS: The magnets with anisotropic magnetic properties can hold up to photos, notes, cards, anda crafts on fridge | ADHESIVE BACKING: The magnets have a adhesive backing, that stick to smooth, flat surface of the object. For best adhesion, pls kindly wait 24 HOURS for the adhesive firmly | VERSATILE APPLICATIONS: The round magnet is flexible and cuttable, they can hold a variety of items securely on whiteboards, fridges, and other metallic surfaces. they can be used in different fields: Education, Science, Kitchen & House, Office, Building, Creativity & Craft and so on. the small magnet is Perfect for any DIY crafts and projects! | SIZE: 0.8 inch x 0.8 inch in Diameter. thickness 0.08 inch | PACKAGE: You will receive 240PCS round magnet tape with adhesive backing