Model Number: AMB-103-56 Brand Name: OEM Key Specifications/Special Features: Material: environmental siliconeSlap the strap on wrist, it can roll along your wrirst naturally (no buckleneeded) steel bar inside, silicone outside for protection.Changeable strap as your like in different colorSize: 240*30*2mm, 215*25*2mm DescriptionSilicone anti-mosquito bracelet. Features enduring, family safe, waterproof, stylish, deet-free Effective duration 15-30days protection Ingredients 100% natural essence oil Approved certificate CE, RoHS, REACH, MSDS How to use Puncture any of the five holes on the top part of the wrist band for desired level of fragrance. Application wearable on wrist, ankle, backpack, baby carrigae and more.