Nanit Breathing Wear Pajamas monitor your baby's breathing motion without any sensors. Your Nanit camera (sold separately) reads subtle movements in the fabric’s custom-designed pattern in real-time, and alerts you if your baby needs you. For child's safety, garment should fit snugly. This garment is not flame resistant. Loose-fitting garment is more likely to catch fire. 100% cotton and feather soft pajamas to comfortably track your baby's breathing motion. Works with your Nanit Pro and Plus cameras (sold separately) to monitor your baby's breathing motion without any sensors. Nanit camera reads subtle movements in the fabric's custom-designed pattern in real-time, and alerts you if your baby needs you. Can we worn year-round. No electronics or sensors in the product, on your baby, or in the crib. Easy glide, pinch-proof, two-way zippers. Machine washable. 1-year limited manufacturer's warranty. Imported.