12 x 20 inches rectangle recommended with pillowcase one size 2 smaller than pillow filler for an overstuffed look Down like comfort our fluffy pillow form provides extra cushion support for neck and lumbar whether you are reclining in bed or lounging on couch soft yet firm Elegantly sewed with high thread count smooth polyester fabric and generously filled with quality polyester fiber resistant and allergyfree Stuff your decorative throw pillow cover or euro sham pillow cover and add a little flair to your sofa couch or bed Put pillow stuffer into dryer on medium heat for 15 minutes to reach to maximum fluffiness Machine washable