[Size, adjustable buttons]: perfect size with adjustable buttons: This bib is carefully designed with two adjustable buttons , which can be scientifically customized, aby meet the needs of different periods of baby's growth. Bib size: 27 cm x 29 cm. Washing instructions: These bibs can be hand washed or gently machine washed, then hang do air dry. (They can shrink in the dryer. ) Package includes: 6 pieces of bibs (2 pcs. White 2 pcs. Grey 2 pcs. dark grey). This petal-shaped bib is made of cotton, which is very soft and comfortable, absorbent and breathable. Each bib is made with 8 layers of cotton gauze, aby keep your baby dry, comfortable and clean at all times. Our bibs can be rotated by 360° and used on both sides . The seams are careful and durable, and im more often you wash the bibs, the softer and more comfortable they become. You can also use it jako cloth do wiping or burping.