IKEA BESTA frame - can be used on its own or combined with others. 60cm W x 40cm D x 38cm H. Has had holes drilled in top & bottom to allow cables through.
More info on IKEA website: https://www.ikea.com/gb/en/p/besta-frame-white-70245848/
IKEA BESTA frame/cabinet (Kidlington OX5)
This offer has been gifted to someone and is no longer available.