The product is a set of two Michelin Pilot Sport tyres in size 255/40 R18 with a tread depth of 7.5mm. They have a speed rating of Y (max 186 mph), a load range of XL, and a load index of 99. The tyres are designed for high performance vehicles and offer excellent handling and grip on both wet and dry surfaces. With a rim diameter of 18 inches and an aspect ratio of 40, these Michelin tyres are a reliable and top-quality choice for any car enthusiast looking for high-performance tyres.