Welcome to Litzee! Technology: With the 3d air mask, the material is fine, soft and comfortable, which can give the baby aTechnology: With the 3d air mask, the material is fine, soft and comfortable, which can give the baby a very comfortable ring. The artificial design uses a triangular mattress to protect the baby's body parts Comfortable: Made of premium polyester, spongy, soft, comfortable, breathing, for your baby to feel comfortable and safe. Variable width: The width of this pillow can be adjusted by using a chain that is snugly stuck. Easy to wash: the pillowcase can be removed, which is really convenient43*10*10cm very comfortable ring. The artificial design uses a triangular mattress to protect the baby's body partsComfortable: Made of premium polyester, spongy, soft, comfortable, breathing, for your baby to feel comfortable and safe. Variable width: The width of this pillow can be adjusted by using a chain that is snugly stuck. Easy to wash: the pillowcase can be removed, which is really convenient43*10*10cm In the title and description we have provided details of the product including its features and specifications, please note the SIZE,COLOR and dimensions of the product to ensure it meets your needs. Warm reminder: Due to lighting effects, monitor brightness, manual measurement, etc., there may be some slight differences in color and SIZE,COLOR between photos and actual items. Sincerely hope you can understand. I wish you a happy shopping!