Features: Soft SelfAdhesive Ankle Protector Patches combine nylon spandex flexibility with medical grade silicone layers to prevent friction blisters during prolonged footwear wear. The blossom ventilation pattern enhances breathability while maintaining secure adhesion through innovative selfstick technology without heavy straps. Designed for active professional, runners, and heel wearers seeking discreet ankle protections that adapts to dress shoes or sneakers. Provides essential cushioning during city commutes, treadmill workouts, or 8hour shifts in restrictive footwear requiring frictionfree movement. Engineered with hypoallergenics materials and low profile construction to stay invisible under socks while preventing skin irritation in humid conditions. Specifications: Component: nylon, spandex, silicone Diameter: Approx.8.1cm/3.19in, 8.7cm/3.43inch Fits most adult ankle size for a snugly fit and full protections. Type: blossom shape, round shape, Color:black, skin color; 4Option Type Practicality: The selfadhesive design can be quickly and easily fixed on the ankle, effectively preventing wear and friction injuries during exercise. It is suitable for daily walking, running, fitness and other scenario. Package Includes: 1pair Blister Pad note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.