Thank you for viewing! The gray fabric uses double gauze. The neck is made with elastic + snap buttons. Even babies who haven't developed neck control can easily put it on and take it off. ⚫︎Neck circumference: Approximately 30cm ※There may be some variation. The child in the photo is 5 months old. ✳︎These are handmade products made as a hobby, so there may be slight imperfections such as misalignment, distortion, asymmetry, or curves. Please refrain from purchasing if you are looking for perfection. We appreciate your understanding and hope you enjoy your purchase ☺︎ ✳︎The color may differ slightly from the photos. ✳︎Chalk pen marks may remain. We use water-erasable chalk pens. ◎Please hand wash or use a laundry net when washing. Thank you. #handmadefrillbib #frillbib #bib #babybib #360bib #droolbib #mellow #つけ襟 (detachable collar) #reversible