Hardware Resources CAN-TMDSC-18 Top Mount Soft Close Double Trash Can Unit, Wood Top Mount Double Waste Bin Pull-Out Unit with Soft Close for 18 Inch Wide Cabinet Opening Minimum Height Required 21" x Width 17-13/16" x Depth 21-5/8". 100lb Weight capacity. Full Extension Ball Bearing Slides Trash Cans are NOT included (sold separately). Top mount plastic ring allows for 35 or 50 Qt trash can Solid maple hardwood and plywood construction. Includes adjustable rear brackets and door brackets to ensure a perfect fit