Worn once! In great condition! My daughter did not like being swaddled (which I should have swaddled anyway!) The swaddle works exclusively with the Nanit Plus and Pro nursery camera. It tracks breathing motion by reading subtle movements in the fabric’s custom pattern—no sensors on their body or in the crib. Should baby need your attention, you’ll receive alerts on both your phone (through the Nanit app) and your camera. The 100% cotton swaddle is snug and soft to help baby sleep soundly. It’s also hip-healthy with a widened middle section that ensures baby has enough wiggle room. Two-way zippers with soft edges make for easier diaper changes and secure stay-put flaps have hook-and-loop attachments for a perfect fit.