• Black epoxy magnets: The surface of the magnet is coated with epoxy resin, which protects against corrosion and significantly extends its lifespan, ideal for long-term use. • Magnet size: Each set includes 20 magnetic bars of 20 x 10 x 3 mm, a 1 mm double-sided adhesive, and a box for convenient storage. • Powerful magnets: Made with high-quality magnetic material, they offer strong holding power. Note: Magnets are fragile and should be handled with care to avoid damage. • Multiple uses: Perfect for craft and DIY projects, hanging spice jars, office boards, refrigerators, and sending reminders. Ideal as fridge magnets, desk magnets, board magnets, and dry erase board magnets. • Damage and compensation: At Wukong, customer satisfaction is paramount. If you receive damaged magnets, send us photos and we will provide reasonable compensation based on the number of damaged magnets.