About This Glow In The Dark Patches: Luminous medical patches are clearly visible in low-light conditions, making them ideal for emergency identification. They significantly enhance the visibility of backpacks, luggage, or hats at night, increasing safety during outdoor activities or commuting. Highly Visible Emergency Identification: The eye-catching "cross symbol" design allows for quick identification in emergencies, letting others know you may have first aid knowledge or the location of your equipment, improving response efficiency. 3.2" x 2" (L x W): Each set contains two identical medical cross luminous emergency identification patches with hook and loop patch, allowing for simultaneous use on different gear (such as a main pack and waist pack) or as spare replacements, providing greater flexibility and long-term protection. Versatile and Convenient Application: Peel and stick, easily and securely attach to backpacks, handbags, hats, tent bags, and other outdoor gear or workwear, enhancing the functionality of your gear and personal safety identification. Compact Size: Provides ideal visibility while maintaining a practical footprint. Designed to easily attach to medical backpacks, bags, hats, and other fabric surfaces. (Can also be permanently installed with needle and thread). Overview Color : Glow in The Dark Patches Size : 3.2" x 2" Brand : Demearly Material : Polyester Style : Medic Patch Theme : Military Shape : Rectangular Number of Pieces : 2 Number of Items : 2 Unit Count : 2.0 Count