The filling is packed with "ultra-high density" material. The director of Maeda Midwifery Clinic researched and developed this product, focusing on the ideal height for Japanese people, the firmness to support a baby's weight, and durable materials for long-term use. A cover is included with the main body (nude). The cover is removable and washable. ■ Main Body (Nude) Surface Fabric: 100% Polyester Filling: 100% Polyester ■ Cover Surface Fabric: 100% Cotton (Knit) 【Made in】All made in Japan 【Size】 Width: 61cm Depth: 44cm Height: 15cm (Measured by amateur) I highly recommend this nursing pillow! The nursing posture is completely different compared to others, and I was able to nurse very comfortably. There are some slight stains on the cover. Please check the images carefully as they show everything included. The cover has been home-cleaned, and the filling has been sun-dried. - Brand: la cuna - Color: Cream color, polka dot pattern - Shape: U-shaped - Material: Soft fabric