This is the long sleeve sleep bag with the one-of-a-kind WONDERZiP® to keep your little one covered & cozy during easy peasy diaper changes. Down Alternative fill wrapped in silky soft bamboo rayon will help sooth baby to sleep. GUNAMUNA sleeping bag features Wonderzip® zip-up closure keeps child covered even during diaper changes Hypoallergenic microfiber fill mimics the feel and insulating ability of luxury down Wider + longer fit to comfortably fold and kick those legs Sleeping under an evenly distributed weight naturally reduces anxiety by giving the same all-over sensation as a full-on giant cuddle, soothing baby into a deeper sleep cycle Rayon from bamboo/spandex Imported