Bronze goose down baby pillow has 35x45class warning feather: hygroscopic feature. it is heat and moisture stabilizer. it absorbs the moisture in the environment and leaves it back when not used. it is the lightest filling material. it is natural, light, healthy and soft. its properties change according to the ratio of tickle and back feathers. washable .product content: 1 piece of bronze goose down baby pillow, Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.