Create unique and intriguing displays with the Black Acrylic Risers! This riser is great for many display needs when some height is needed for the space. The riser is made from high quality acrylic with polished edges. -Risers are great for adding height, visual interest and highlighting small items and decor -Raise plants, frames, and more on shelves and counters -Add visual interest to buffets by placing bowls or trays on risers -Each riser is 1/8" thick 21520 | 4" Single Square Black Acrylic Riser Large Riser: 4" x 4" x 4", 0.20 lbs 21521 | Square Black Acrylic Risers - Set of 2", 3", 4" Large Riser: 4" x 4" x 4", 0.20 lbs Medium Riser: 3" x 3" x 3", 0.10 lbs Small Riser: 2" x 2" x 2", 0.05 lbs