These bibs have three layers, they have organic cotton front and back and sandwiched in the middle is hypoallergenic fleece which ensures nothing soaks through to your little one’s skin be that when they are dribbling or drinking water or milk. Poppers are nickel free and all dyes and paints used in their production are water based and 100% safe.These are suitable from about 3-4 months old right up to 3 years of age, they have adjustable poppers and are extremely comfortable for babies and toddlers to wear. No nasty plastic lining to aggravate sensitive skin and they have an extra layer of fabric at the neck which you fold inside when putting it on your child, this makes the fit super comfy and helps to prevent dribble rash under the chin.