This convenient and easy-to-use mosquito repellent patches have 3M adhesive layers infused with natural citronella oil to guarantee long-lasting mosquito repelling effect. It does not contain DEET and therefore is safe and reliable. Functions:- Convenient and easy-to-use mosquito repellent patch- Highly adhesive 3M United States sticker- Free of DEET and camphor- Suitable for use by adults and children Hong Kong Pesticides Registration No.: 1P146(VP)Pesticides License Number (ALIC: 7342)