24/48Pcs Sunny Patch UV Detecting Patches for Kids and Adults NaturalFeatures:1. Easy to use: When the patch is transparent, it means you are protected. When the patch turns purple, it means you are exposed to ultraviolet rays. It is time to apply sunscreen.2. Comfortable fit: breathable non-woven fabric, safe to use, high adhesion, comfortable fit, not easy to fall off, no residue after disassembly.3. Multi-group application: will not harm the skin and surrounding tissues, very suitable for children and adults.4. A wide range of applicable scenarios: can be used for seaside play, mountain climbing, picnic and other scenes. Method of use:1. Put the patch on the child's skin.2. Apply an appropriate amount of sunscreen to completely cover the patch and skin.3. Once the patch turns purple, it's time to reapply sunscreen. Specification:Shelf Life: 3 YearsMaterial: Non-woven fabric, adhesive, color pigmentQuantity: 24 Patches/PackPackage Included: 1/2Pack x UV Patch (As your choice) Note:1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures.2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm)Thanks for your support :)