Skeeter Guard Mosquito Repellent Patch 12 patches package , each Effective for up to 12 hours--144 hrs per box 100% Pure Nature , NonToxic , DEET Free , Safe for Baby & adult Can be placed almost anywhere  shirts, hats, chairs, strollers, tables, bedsides and more No skin contact needed  offering the user greater freedom and comfort Contains citronella listed by the CDC as an effective alternative mosquito repellent.