This is a pillow that's been a hot topic on Instagram. It's especially recommended for those with a straight neck! Please see the product manual for details. It's included, starting from the fourth photo. The first photo is the front of the pillow, the second is the back. The third photo is of the height adjustment sponges. One is included as an accessory, and one is already inside the pillow. I used it for one night, but it didn't seem to suit my family, so I'm selling it. 【kaibo PILLOW】 The kaibo PILLOW is a pillow designed based on anatomy. It has a structure that can correctly maintain the skeletal position of the neck. 【Retail Price】27,500 yen 【Accessories】 Height adjustment sponges, instruction manual The pillow and accessories will be placed in a clear bag and then shipped in a cardboard box. *Returns and exchanges are not accepted after purchase. The condition is good, but please refrain from purchasing if you are overly concerned about minor details. The cover has been washed and dried.