Features: Made of silicone and flannel materials, it provides comfortable cushioning, effectively absorb sweat, and keeps feet dry. Soft and elastic, not afraid of folding, anti slip designs, providing additional support and comfort, and can be reused. Suitable for people who wears shoes for a long time, such as office workers, sports enthusiasts, and the elderly. Can be used in offices, outdoor sports, travel and other occasion, providing comfortable support for the feet and reducing fatigue. Keep your feet dry and comfortable throughout the day with our moisture absorbing insoles. Specifications: Material: silicone and flannel Color: Gray/Black/Yellow Length: Approx. 21cm/8.27inch (refer to the picture for other sizes) Package Includes: 1pair Insoles note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.