Materia - ABS plastic base, providing a sturdy foundation. PU leather surface, offering a comfortable feel Dimensions and Weight - Dimensions: 12.8* 28.3 inches (32.5 x 72 mm). Weight: 153 g Ergonomic Design - Ergonomic design, supports natural wrist alignment Stability and Durability - Non-slip base, keeps the wrist rest securely in place.