Displays2go Sidewalk Poster Stand with Water-fill Base Holds 24 x 36 Inches Graphics (PS1536BLK) Two-sided sandwich board captures the attention of those traveling in 2 directions. Front-loading, snap-open poster frame allows for easy sign changes. Water-fill base keeps the floor-standing fixture stable; spring supports allow the frame to move with the wind. Built-in wheels allow for easy repositioning, even when the base is filled. Overall Width x Height x Depth 27.8 x 43.5 x 17.5 inches, Base Width x Height x Depth 31.0 x 4.8 x 20.0 inches