Bento, Seaweed Onigiri (rice balls), Crispy Seaweed Cutter Size (approx.): Hole puncher/Width 11 x Depth 10 x Height 4cm Size (approx.): Silicone sheet/Width 11 x Depth 11 x Thickness 0.3cm Weight (approx.): Hole puncher/70g, Silicone sheet/35g This tool makes seaweed easier to bite through by creating small holes in the seaweed used for hand-rolled sushi, etc. It allows easy biting not only for young children but also for adults and the elderly, without any stress. To use, simply place the seaweed on a cutting mat and press down with the hole puncher. Used only twice. Please understand that this is a used item. Thank you for looking.