This is the BABY CARRIER FIRST from LUCKY 1934, suitable for newborns and usable after a C-section. I purchased it new from the official store in March 2023. I used it a few times for short periods, about once a week, from August to September. I occasionally used it at home for short periods for back carrying in November and December. The included drool cover was used during this time. I didn't use it much when my baby was a newborn because we traveled by car a lot. When we started going out, we used the stroller more, so I didn't use it as often. However, it was light and allowed me to use both hands, making it convenient for quick use. Because my child was big, I switched to a hip seat type early on, so I don't have many opportunities to use this one, and I'm selling it. It has been washed and disinfected with alcohol. As you can see in the photos, the inside is clean, and there isn't much sign of use. As a bonus, I'm including the drool cover I received as a review gift, so you can use it right away. It's made of soft organic cotton. I will wash it, remove it, and include it. Includes sunshade cover, instruction manual, and box. I will pack the outer box for shipping. No smoking, no pets. Additional notes: I tried it on and didn't feel much difference from Mikihouse, so I chose this cheaper product. I bought it new because it wasn't available on Mercari at the time, but I would have preferred to buy a slightly cheaper used one if it was in good condition. The absence of a waist belt was convenient when my baby was small because I could quickly put it on and hold them if they started crying.