Features: Sun Detection Stickers feature color changing technology to visually indicate sunscreen reapplication needs, ensuring optimal sun protection with 24 adhesive patches per pack. Designed with waterproof adhesive and practical wear resistant fabric, these patches maintain sun monitoring accuracy during swimming, sweating, or intense outdoor activities. Ideal for families and outdoor enthusiasts, these skin safe stickers are suitable for adults and kids aged 3+ to track sun exposure effortlessly. Perfect for beach outings, hiking, sports, or daily commutes, the patches adhere securely to exposed skin while pairing seamlessly with sunscreen routines. Each patch combines non woven fabric with photochromic pigments, offering irritation free sun monitoring across diverse climates and skin type. Specifications: Component: non-woven fabric, adhesive, color-changing pigment Color: As picture shown Size:approx. As picture shown Quantity: 1box(24patches) Package Includes: 1box(24patches) sun Detection Patch note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.