Specification: Color: black, wood color Material: wood, felt, sponge, silicone Product Size: 30x27.5cm/11.81x10.83in, base length 26cm/10.24in Package details: 2 x staircase ramps 8 x anti-slip mats Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between different monitors, there may be a slight color difference existed.