Features: Experience instantly hot/cold relief with these 9.5x9.5cm gel patches, crafted from premium PVC gel for long lasting muscle recovery and post workout comfort. Flexible adhesive design contours perfectly to joints and muscles without slipping, for shoulders, knees, and back friendly. Ideal for active individuals, gym enthusiasts, office workers, and seniors seeking portable pain management solution during workouts, travel, or daily stress. Use during workout recovery, long flight, or desk work to alleviate stiffness, inflammating, and fatigue within minutes of activation. Reusable friendly patches eliminate ice pack hassles – simply chill or microwave for rapid temperature adjustment, ensuring family safe comfort across all age groups. Specifications: Component: PVC, gel Size: about 9.5x9.5cm/3.74x3.74in Attributes: Double-effect hot and cold soothing ice patches Technical parameters: rapid cooling | long-lasting insulation | safe Use scenarios: Muscle relaxation after exercise｜Daily body care｜Work fatigue relief Quantity: 3pcs Color:Optional Package Includes: 3PCS Hot and cold soothing ice stickers (9.5x9.5cm) 1PC Instruction Manual (Chinese) note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.