Features: This arch support insole is made from specially designed thermoplastic rubber, offering both support and softness. It can provide targeted correction for flat feet and effectively relieve foot fatigue and pain. This insole features a breathable thermoplastic rubber construction andshock absorption cushioning technology that conforms to the foot, enhancing comfort during extended wear. It's ideal for professionals who stand for long periods of time (teachers, healthcare workers) and active individuals (runners, fitness enthusiasts) seeking foot stability and injury prevention. It's ideal for daily commutes, shifts requiring standing for more than 8 hours, and high-intensity training requiring foot support to promote stability. This thermoplastic rubber arch support insole features a hollow heel design for shock absorption and increased breathability, making it ideal travel solution for athletes and frequent walkers. Specifications: Component: high elastic thermoplastic rubber Size: M: Length 15.5cm (6.1 in), Width 6.6cm (2.6 in), Thickness 0.4cm (0.18 in), Arch Height 2.8cm (1.1 in) L: Length 16.3cm (6.42 in), Width 7cm (2.76 in), Thickness 0.4cm (0.18 in), Arch Height 2.8cm (1.1 in) Color: black, white, skin color Package Includes: Flat foot correction insoles × 1 pair note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color