Vicks Soothing Sleepy Time Comfort VapoPads (VBR-5FP) are uniquely designed to work with your Vicks humidifier or sinus inhaler to release soothing vapors. Each VapoPad is designed to release up to 8 hours of eucalyptus, rosemary and lavender vapors to enhance your humidification experience and to help provide added comfort. Vicks VapoPads® work with most Vicks humidifiers to provide up to 8 hours of soothing eucalyptus, rosemary and lavender vapors for added comfort. For infants under 10 pounds, DO NOT use more than 2 packs in a 24 hour period. For children 10-22 pounds, DO NOT use more than 6 pads in a 24 hour period