NatraHedge Artificial Boxwood Hedge Mat 20"x 20" Panels (12 Pack) RealLeaf Technology Provide Unmistakably Lifelike Results Approx. 20 in. x 20 in. Panels (12 per box / 33 SF) (40) Green Attachment Fasteners Included Securely Connect & Cut for a Custom Fit UV Inhibitors to Protect Agents any Weather Condition.And once they are in place, you can expect them to last between 5 and 8 years.