NATPAT Sunny Patch , 24 UV Patches

Easy Use - Stick on Skin and Watch for Colour ChangeSafe For Kids 24 UV Patches that Tell You When to Reapply SunscreenPeel & Stick PatchWater ResistantSafe for Kids, Works with All Sunscreen TypesShows When to Reapply SunscreenInstantly Know When to Reapply Sunscreen!How it works: SunnyPatches are made with dermatologically safe medical adhesive, a UV-sensitive layer that reacts to sun rays and turns purple on UV exposure, and a waterproof layer on top. The stronger the exposure of UV to a SunnyPatch, the darker it gets.