Set Contents: ★ Pigeon Hospital-Use Nursing Bottle (Direct Attachment Type) - Mother's Touch (200mL): 6 bottles ★ Included Cap (Yellow): 2 caps Nursing bottles and caps are all suitable for boiling, chemical sterilization, and microwave sterilization. These were very helpful for raising twins. The bottles have markings from 20mL, so you can use them from the beginning. Used for about 3 months. Please consult if you would like to purchase a reduced number of bottles. Please understand that these have been stored by a private individual.