Thank you for viewing. This is a NITORI 3D pillow that supports as if it's floating. I'm selling it because it didn't suit me. I used this product with a pillowcase on it. I have disposed of the box, so it is not included. Detailed size: Width 57 x Depth 35 x Height 12cm Material: Latex Color: White Size: Width 57 x Depth 35 x Height 12cm Weight: Approximately 3.15kg Material: Polyester Product weight: 3.15 kilograms If you're interested, please check the NITORI website for more information. The retail price is 6,990 yen. This is a used item, so please refrain from purchasing if you are sensitive to such things. Only those who understand are kindly requested to purchase.