From around 5 months old, my baby frequently rolled over at night, and I used this until around 9 months old. There is some pilling and signs of use, but the Velcro and fastening parts are still in good condition and can be used with confidence. Please understand that this item has been handled by a person before purchasing. This product should dramatically improve the quality of your sleep at night, so please consider it. The original price was over 4000 yen. When shipping, due to shipping costs, only the contents will be sent. Please note that we will compress it as much as possible. Also, we may be able to ship it the same day, so please let me know in the comments.