The chunky cotton is incredibly strong and washable. That means, childproof and petproof ! So in practice it can be used in any environment, even if there are many hands or paws on it every day. This thick chunky cotton is made of a round-knitted cotton tube, filled with fibers. This chunky cotton has the GOTS quality mark. This means, among other things, that the cotton is obtained and processed in a biological, sustainable and environmentally-friendly way.