This coaster set makes it all happen. With each order, you get 4x coasters that come in 1x size, are made with a high-gloss top and feature a cork back to prevent sliding.
 
3.75" × 3.75"
Width, in
3.74
Height, in
3.74
Depth, in
0.16
 
.: High-gloss MDF top
.: Cork back to prevent sliding
.: 0.16" (0.4cm) thick 
.: 4-piece set
.: One size: 3.75" × 3.75" (9.50cm x 9.50cm)