"enclosed box" is a perfectly fine and usable phrase in written English.
For example, you could say, "The enclosed box contained a variety of snacks."
"It's an enclosed box that excludes what's outside," Ms. Kraus said.
In the back of the house is what is officially the garden, though thanks to the arrival of a new building literally inches away, the area feels more like an enclosed box.
Katerina is holed up in a symbolically enclosed box room, traditional Turkish rugs on the walls, living in the midst of the family firm, computers, desks and high-vis jackets crowding in on her loneliness.
And while much of what Skinner said and did in his lifetime was controversial (he partially reared his own daughter in an enclosed box until the age of two, for example), on this occasion few would argue with his analysis.
Optical- and electrical-related devices were sealed in an enclosed box away from the high-temperature steel melt surface.
Present models are successfully assessed considering several test cases, namely the thermal Couette flow, Rayleigh Bénard convection, natural convection in square cavity and a spherical explosion in a 3D enclosed box.
In this paper, the structural acoustics analysis and optimization of an enclosed box-damped structure are investigated by using the response surface methodology (RS M.
It's a little like the present wrapped in a series of enclosed boxes, where the joke of what's in the big box is replaced by the joke of how small something can get before it is even more valuable.
Some cats do not like enclosed boxes when initially introduced to them.
On such trials, the rat was left in the apparatus for an extra 5 s before being taking out of the box and placed back in the enclosed carrying box.
Be sure that the enclosed litter box is large; cats need enough room to comfortably turn around inside the box.
