Preassembled Vanity High Back Rollout Shelf System for Openings. Featuring 18" Undermount Soft Closing Drawer Slides. Preassembled and Ready to Install, mounts to Bottom of Cabinet. Benefits & Features: Beautiful white birch dovetail boxes with UV coating built in our plant in the USA Featuring concealed undermount 3/4 extension soft-close slides 75 lb weight capacity Product Details: Finish: UV Coated Finish Group: Natural Style: Traditional Style 2: Transitional Primary Material Details: White Birch Country of Origin: USA Ship Type: LTL Warranty Period: Lifetime Measurements: 10-1/16 Inches Dimensions (in): 10-1/16W x 18-7/16D x 9H Minimum Cabinet Opening (in): 12 Recommended Cabinet Size (in): 15 vanity Weight (lbs): 8 13-1/16 Inches Dimensions (in): 13-1/16W x 18-7/16D x 9H Minimum Cabinet Opening (in): 15 Recommended Cabinet Size (in): 18 vanity Weight (lbs): 10 16-1/16 Inches Dimensions (in): 16-1/16W x 18-7/16D x 9H Minimum Cabinet Opening (in): 18 Recommended Cabinet Size (in): 21 vanity Weight (lbs): 12