This U-shaped nursing pillow boasts a substantial thickness and resistance to flattening. Both the cover and the inner pillow can be washed, ensuring it's always clean. ■ I purchased this for practicing sitting up, but my baby was able to sit up before I could use it, so it's unused. The filling uses Teijin Crystar ECO. ・ Special technology creates a perfectly round, hollow structure ・ Lightweight and warm like down ・ Safe, clean, and washable ・ Less likely to cause allergies ・ Excellent restoration after washing This is the ideal material for nursing pillow filling, with all of these features. ■SPEC Size: Approximately 42 x 57cm (thickness approximately 15cm) Material: Cover / 100% cotton (double gauze/air flow processing) Cushion / Outer fabric: 100% polyester / Filling: 100% polyester (Teijin Crystar ECO) Made in Japan - Design: Colorful print with an animal and circus theme - Shape: U-shaped nursing pillow - Material: Soft fabric - Features: Various animal characters and colorful decorations - Usage: Perfect for nursing and supporting babies Thank you for looking.