Nantucket Blue Nursing Cover fits easily into diaper bag or purse. Adjustable neck strap with D ring for comfortable fit. One size fits all. 100% cotton twill. Approximately 24" x 34". To Use: Place nursing cover over your head. Adjust neck strap for comfortable fit. The cover should drape over baby. Position collar so you can see baby while nursing. To Clean: Machine wash cold, gentle cycle, no bleach. Air dry.