Climb steps more easily. Portable, slip-resistant mobility step helps you comfortably climb steps indoors or outdoor. Reduces stair height by half to help those with limited mobility step safely. Grooved surface along the safety step provides added traction, while drainage holes keep moisture away. Sturdy, weather-resistant plastic supports up to 440 lbs. 19 1/4" L x 15 1/2" W x 4" H. Step weighs 3 1/4 lbs.