Swaddle Up Warm winter S size set of 2. Size: S (3.5-6kg, until rolling over) Suitable for room temperature 16-20°C Thick type with quilted fabric below the belly Purchased from the official website in January 2025. Twins wore them for about 2 months. After that, they were home-cleaned and stored at home. We plan to ship them as compactly as possible. There are no smokers or pets. Please understand that these are used items. Thank you.