Our interlocking tiles are a full 4 sq. ft. per tile, Over 20 years we have manufactured them from SBR tire buffings with a small amount of EPDM color fleck, and now we can pass the savings on to you. This product is high impact and slip resistant, and is best used in high traffic volumes, such as gyms, fitness centers, work spaces, and even ice rinks. This product is a great for Anti-Fatigue/Comfort, Sound Reduction, Durable, Supportive and Slip Resistant. 8mm think Actual color of finished product may vary slightly from pictures.