Provides comfort and support for feet. Four angle adjustments from 6-25° and height adjusts from 3 1/4" to 5" for personal comfort preference. Supports feet to help reduce leg and back pressure, while integrated anti-slip rubber mat on platform keeps feet in desired position. Width: 15.5"; Height: 3.25" to 5"; Depth: 13.75"; Color(s): Black/Silver.