Materials: silicone oil, barium sulfate, silicon dioxide Size: Product size: 3.8*12.5cm Packaging size: 13*13*2cm Color: as shown in the picture 1. Made of high-quality environmentally friendly materials, strongly adhered to the inside of the socks, effectively anti-slip, suitable for various ground environments. 2. Easy to install and remove, does not damage the material of the socks, solid, and remains sticky after repeated use. 3. Designed for sports, yoga and daily wear, effectively prevents socks from slipping, improves comfort and stability. 4. Ultra-thin design, invisible fit without foreign body feeling, strong breathability, suitable for long-term wear, protect your feet health. 5. Widely compatible with all types of socks, whether thick or thin socks, can provide excellent anti-slip performance. Package includes: 1 package contains a set of products,