This baby carrier can be used from newborns. For ages 0 months to 3 years. When the baby's neck is not stable, use the side carry. After the neck is stable, you can use the front carry, back carry, and piggyback carry, for a total of 4 ways to carry. Dark gray. ◆ Immediate purchase without comment is OK. Anonymous shipping. If purchased by 3 p.m. on weekdays, it will be shipped the same day. Bulk purchases are also welcome. ◆ This item is also listed on other flea market apps. Please consider purchasing early as it may be deleted suddenly. ◆ Due to amateur inspection, there is a possibility of overlooking scratches and stains. Please refrain from purchasing if you are looking for a perfect condition. ◆ In the case of children's clothing, there may be a name written on the tag. The tag will be cut off or the name will be blacked out before shipping. ◆ Returns are not accepted. If you have any questions about the product, please feel free to comment. We will strive for a pleasant transaction, so thank you for your cooperation (*^^*) #Kijiko