The Hubbell Wiring Device-Kellems HBLPOB1D Electrical Box is a yellow, 33 cubic inch electrical box made of Valox material. It has a maximum cable size of 3/8 to 3/4 inches, a depth of 4.2 inches, and a non-metallic finish. This portable outlet box is designed with two duplex cover plates and meets UL and CSA standards. With a length of 6 inches and a width of 3.18 inches, this electrical box is perfect for electrical wiring applications in various settings.