These wooden holders are made of beautiful solid cherry, and are beautiful as well as functional! They hold small screw-top lidded plastic containers, that   measure 1 1/8" wide by 5/8" high. They  are the perfect size to hold small rectangular mica pans of watercolor. 
The clear twist cap of the plastic containers keeps the mica fresh and clean, and they are the right size to hold the pan in place without slipping. 
The piece is coated with a satin finish polyurethane for easy cleanup.
 
Several sizes are available:
2 hole - holds 2 containers, included, and measures 3 1/2" x 1 3/4"
4 hole Square - holds 4 containers, included, and measures 3 1/2" x 3 1/2"
4 hole Rectangle - holds 4 containers, included, and measures 
6 1/2" x 2"
6 hole - holds 6 containers, included, and measures 5" x 3 1/2"