does not hold dirt. . This bottle has a capacity of 250 ml and is made of PP (polypropylene) material. The bottle comes with the silicone pacifier in it. This bottle does not contain BPA (bisphenol A). BPA is a chemical substance found in some plastic products and is associated with some health problems. Therefore, this bottle offers a BPA -free option and provides better protection for your baby's health. PP material of the bottle is resistant to dirt and stains. Therefore, the bottle is easily cleaned and does not hold dirt. This feature ensures that the bottle is hygienic and helps the baby to feed more safely. & Nbsp;