First lay the wood chips, then you can fill the nest with this product, and usually you only need to place the cotton into the nest, and it will build up its own bed. Filling its nest with cotton will give it a sense of , as if it has a warm feeling that surrounds it and lets it through this cold winter. Cotton degreasing technology for medical cotton is softer than ordinary cotton and hydrophilic. Select high quality cotton production, refuse second-hand cotton, recycling cotton, healthy safety. Use natural dye plants dyeing and dyeing, healthy environmental protection.