Please read to the end. These are tile carpets, 50cm squares, easy to replace. Made of polypropylene, they have excellent chemical resistance and can be spot-cleaned with bleach. They exhibit excellent stain resistance (SR) against acidic stains (coffee, juice, etc.). Due to their low water absorption rate, they dry quickly and drain well. Fire-resistant and anti-static. ● Composition: 100% Polypropylene (dyed) ● Pile Shape: Level Loop ● Pile Length: 2.7mm (+-0.5mm) ● Density: 1/10G ● Total Thickness: 5.5mm (+-0.5mm) ● Dimensions: 50 x 50cm ● Packing: Special PVC ● Fire Resistance: Test Number E2210274 ● Anti-static ● Fire-resistant ● F☆☆☆☆ J12-30838 ● Made in Japan This is a set of 14 pieces. As shown in the photos, some pieces have slightly frayed or chipped edges. There is some dirt and dust, but if you are concerned, please clean them yourself after purchase. Please refrain from purchasing if you are looking for new items or are overly sensitive. No claims, no returns.