This is a roll-prevention cushion to support safe sleep for babies. I purchased it on Rakuten in October 2025 and I don't think I've used it more than 5 times. If you understand that this is a used item, please consider purchasing it (*^^*) ・YUUNYSLEEP Pillow ・Cover ・Inner head cushion ・Dedicated storage bag ・Instruction manual → Each 1 YUUNYSLEEP Newborn-friendly flat head prevention pillow, baby pillow, head shape, side-sleeping pillow, roll prevention, YUUNYSLEEP pillow, baby pillow, night crying, flat head prevention pillow, baby pillow, gift, present, head-turning habit prevention Thank you for looking.