APS TC-MTC0360 Black Bed Cover Tonnomax Clamp for select GMC Sonoma 100% Brand New Tonneau Cover with soft Tri-Fold style. Easy Installation NO Tools, No Drilling Required. Item Comes Fully Assembled, Simply Clamp on or off in mins. Premium 24oz dual coated Leather Vinyl offer 100% waterproof and an attractive appearance. Epoxy coated aluminum framework with life time Warranty. Compression Sealed bed cover and secure the inside when tailgate locked. Improves Gas Mileage - Save 10% on Fuel!