I bought this when my child started pulling themselves up, but they didn't like it and only tried it on once, so it never got used. (Purchased new on Rakuten in February 2023 for 1290 yen) ●Product Overview● Made of highly elastic sponge material, it helps prevent injuries when your child falls. The size can be adjusted with Velcro, so it can be used for a wide range of ages. ◆Size ・Height: Approximately 13cm ・Sponge thickness: Approximately 3.0cm ・Head circumference: Approximately 42cm to approximately 58cm ◆Weight ・Approximately 70g ◆Material ・Outer: 100% cotton ・Inner: Sponge ◆Pattern Cross Gray ★Please note that it will be folded in half and slightly compressed to fit in a Takkyubin Compact box for storage.