New ZINUS 5 INCH METAL SMART BOX SPRING KING, Smart boxspring assembles on site & comes in a box for easy transport & assembly! Retails $193+ wk_end_auction 5-Inch Deep shelves

5-Inch Deep shelves

Engineered with CHI flat iron technology

Auto-calibrated and automatically turns off to conserve battery life

Fibreglass

New ZINUS 5 INCH METAL SMART BOX SPRING KING, Smart boxspring assembles on site & comes in a box for easy transport & assembly! Retails $193+ wk_end_auction 5-Inch Deep shelvesNew ZINUS 5 INCH METAL SMART BOX SPRING KING, Smart boxspring assembles on site & comes in a box for easy transport & assembly! Retails $193+ We like to think of a box spring as the backbone for your mattress. The best kind should be flat, level and built to keep your mattress in tiptop shape; and thats just what the Smart Box Spring does! With its easily assembled, dependable steel structure, you can rest assured that your mattress will be sitting