Popular kids' cushion (for kindergarteners to elementary school students) (Also usable as a disaster prevention head covering) with chair-securing rubber "Dinosaur (Navy)" (^^) This is an excellent cushion and disaster preparedness item suitable for kindergarteners through upper elementary school. Size: Approximately 42cm x approximately 31cm x 7cm thick Material: 100% cotton It has sufficient thickness and is made of safe materials for peace of mind. Easy one-touch attachment. Also, it has rubber straps for easy securing to a chair. Please be sure to look at the photos and confirm everything carefully before purchasing, and only purchase if you are not concerned about anything.