These UV color-changing stickers are designed to help users monitor sun exposure effectively. Featuring a transparent and lightweight design, they adhere seamlessly to the skin without discomfort. Ideal for outdoor activities, they provide a visual reminder to reapply sunscreen, ensuring optimal sun protection throughout the day. Features -Color:Transparent -Material:Self-adhesive film -Size:7.60X7.40X0.10cm/2.99X2.91X0.04in - uv monitoring: these patches provide monitoring of uv intensity, changing color to alert you when it's sunscreen, effectively preventing sunburn -Lightweight and portable: designed to be lightweight and portable, these patches are perfect for various outdoor activities such as beach vacations, hiking, and more -Sensitive sunlight sensing: utilizing advanced sunlight sensing technology, these patches accurately reflect uv changes, helping you adjust your sun protection measures accordingly -Comfortable skin feel: made from unique skinfriendly materials, these patches are comfortable to wear for extended periods without causing any discomfort -Durable and reliable: built to last, these patches are an ideal sticker for protection management, ensuring you stay protected under the sun Package list: 15 x Sheets of UV Detection Stickers (16 pieces per sheet)