teteo Nursing Guide S+M Size Unused. Stored in a box and taken out for photography. Shipping will be contents only, without the box. The nipples will be folded (and will return to their original shape) for shipping. (If you would like the box, please let me know. It will be shipped folded.) Set of 3 total: 1 S size, 2 M size. A set of nipples for baby bottles that matches the growth of your baby. - Sizes: S, M - Target age: 0 months - 3 months, 2-3 months - 18 months Thank you for looking.