The "waterproof sheet" that protects walls uses a waterproof film to prevent wall stains. The floor-side sheet quickly absorbs and traps urine. Floor sheet size: Wide: 60 x 43 cm Ingredients: Surface material: Polyolefin non-woven fabric / Absorbent material: Pulp, absorbent paper, polymer absorbent material / Waterproof material: Polyethylene film / Binding agent: Hot melt adhesive / Fastening material: Polypropylene / Outer packaging material: Polyethylene film 30 sheets per pack Please understand that this item is stored at home, and only purchase if you are comfortable with this. Those who are overly concerned about details should refrain from purchasing.