Material properties: 100% cotton; 2-layer lining: the front and back are made of cotton. It is attached with a plastic push button and is nickel-free, which protects the baby's skin. Easy to clean: It can be machine washed or hand washed, will not fade or warp and has a long service life. We recommend hand washing at a water temperature below 30°C. Waterproof: special waterproof intermediate line padding for additional absorbency. Easy to clean and quick drying. Pack of 5 bibs in different colours to match your baby's outfit Adjustable buttons: The drooling bibs are adjustable with four press studs and fit babies aged 0-36 months, so new parents do not have to buy multiple bib sizes. Satisfaction guarantee: We strive to provide our customers with excellent products and customer satisfaction is our greatest concern. If you are not satisfied with the quality or have other questions, please feel free to contact us.