Size: Head circumference: Approximately 60 cm Depth: Approximately 20 cm Although using extra-thick cotton yarn, it is loosely knitted, so I think it can be used with good breathability. As it is amateur work, there may be some imperfections, but please understand. Due to the lighting, there may be slight differences in color between the photo and the actual product, but please understand. No stains, tears, or odors.