Provided are cabinets, and more specifically to “do-it-yourself” (DIY) modular cabinets that require only little space at a storage/shipping position, and can be readily and easily assembled or disassembled. The cabinet including a back panel, a top panel, a base panel, a right side panel, and a left side panel, the back panel being configured with a right side extension constituting a portion of a right side of the cabinet, and a left side extension constituting a portion of the left side of the cabinet； the cabinet is manipulable between a collapsed configuration and a deployed configuration, wherein at the collapsed configuration the thickness of the collapsed cabinet is similar to the width of the respective right side extension and left side extension.
