This product is a disposable breast pad designed for breastfeeding mothers. It's an ultra-thin, absorbent pad intended to prevent milk leakage and keep clothing dry during the postpartum period. The pads come in a box and are designed for single-use. The brand is 'October Crystal' (十月结晶). They are specifically for preventing milk overflow and are suitable for maternal and infant use during the breastfeeding period. The product code/expiration date is 20250801.