Set of 5 Stainless Steel Spinning Tops: A well-designed EDC decompression toy, perfectly balanced for smooth rolling, helping to reduce stress and anxiety. High-Quality Materials & Craftsmanship: Made from eco-friendly 304 stainless steel, offering corrosion and oxidation resistance, rust-free and non-toxic. Meets European and American food-grade material standards. Precision CNC-lathe machined, cast in one piece with no welding points, elegant, smooth, and beautifully shaped. Long Spin Time & Perfect Balance: Delicately knurled top design enhances friction and force. The base is embedded with super-hard, wear-resistant silicon nitride balls to minimize contact area and friction. Spins for 5-7 minutes on smooth glass (small size), and 6-8 minutes (medium and large sizes). Perfect concentricity and stability allow for quiet spinning even in small spaces. Entertainment & Competition: Easy to use, making it suitable for children of all ages and adults. Great as a time-killing and entertaining toy for adults in various professions. Requires practice to achieve longer spin times, making it a fun competition toy. Also serves as an EDC decompression tool for stress relief, relaxation, and smoking cessation. Easy-Carry Flannel Pouch: The soft flannel pouch can be hung on a backpack or bag, small and exquisite, making it easy to carry and prevent loss. Protects the top from friction and extends its lifespan. Makes a great display piece. Suitable for children and adults, and various occasions such as the office. The perfect gift for family, friends, and colleagues.