We updated the pillow,the modified pillow will have no loose shape problem.The pillowcase of this eyelash grafting pillow is made of waterproof PU. A high density sponge core pillow that is friendly and comfortable to the skin. Pillow Size: 19.6 x 7.8 x 4.7 inch. Frame DIMENSIONS: 19.68 in x 7.87 in x 5.12 in