The see - through net fabric side panels let you keep an eye on the baby while he's playing or sleeping. (get-your-baby-to-sleep.com)
The mesh fabric sides are machine washable on warm (40 °C). (babybjorn.com)
On 15» side of fabric, center and pin zipper in between PUL and cotton, with right sides of cotton and fabric side of PUL facing. (thinking-about-cloth-diapers.com)