▼Size ・Diameter: 40mm ・Inner diameter: 37mm ・Thickness: 3mm ・Length: 297mm (Equivalent to the vertical length of A4 size) Comes in a set of 5. Immediate purchase OK ( ´ ▽ ` )/ We offer these to DIY enthusiasts for shelves, desks, cat towers for dogs and cats, etc. ▼Comments ・Made of very hard material. ・It will not crush even if an adult woman stands on it. ・Please use a saw or similar tool for cutting. ・If you have any requests, such as wanting more pieces, please comment. ・As these are stored privately, there may be some dirt or scratches. ・Also recommended as a material for children's free research projects. ・Anonymous shipping ・May be removed due to circumstances. Please understand in advance.