Description: Each stick for one time: can act for 72 hours or so; the ingredients are safe, especially for children. Main ingredients: natural anti-mosquito plant extract, essential oil, etc. Type:Mosquito Repellent Patches Ingredient: 10% Citronella Oi, 90% Non Woven Size: 2.8cm / 1.1in (each patch) Color: As the picture shows Quantity: 6 stickers/sheet, 10 sheet Usage: stick on clothes, not directly on the skin. How to use: 1. Open package and remove patch from sheet. 2. Place patch on cclothing, hats, tents, tables, chairs, strollers, and backpacks or other items surface: your sleeves, shorts, socks. And you can also stick them around your campfire or outdoor furniture during cookouts and BBQs. Package Include: 10 Sheet Mosquito Patches Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.