Herman Miller Envelop Desk: Glides - Medium Brown Walnut Veneer Top/Black Umber Base Unique design slides toward or away from you, with a seventy-degree tilt that keeps you in the correct ergonomic positions and holds you monitor at the optimal distance Provides ergonomic support through a wide range of seated and standing postures, including a comfortable recline The sliding, flexible support surface envelops you as you work Designed to fit almost anyone's body, the pocket that envelops your body accommodates the fifth to 98th percentile of women and men 12-year Herman Miller warranty with Official Born-On-Date sticker