BABYBJORN Baby Carrier HARMONY The only included item is the instruction manual; the outer box is not included. The warranty card in the instruction manual has the store of purchase and date of purchase filled in (the warranty period has expired). Purchased on March 15, 2022, and used from around May to November of the same year. It didn't fit my body type, and my child didn't like it, so I didn't use it much. I think the total usage time is less than 30 hours. I mainly carried it as a spare for the stroller, and I used it about 10-20 times for about an hour each time, such as trips to the nearby supermarket or hospital visits. I only washed it once before using it after opening it. There were no instances of vomiting or leaks of bodily fluids, but it has been stored as is for about 3 years, so please take care of it yourself if you are concerned. When using it, I used covers on the head support part and the place where the head support buckle attaches, and on my (the user's) side. I can include those after washing them if you wish. They are a set made by a handmade artist, custom-made to fit the HARMONY, made of cotton. I will pack it wrapped in a gray cover that can be used while wearing the baby carrier. If you have any questions, please feel free to comment before purchasing. Popular model... Harmony Carrying methods... Upright carry, Back carry, Forward-facing carry